WORKSHEET ON RATIO IN SIMPLEST FORM

Express the following Ratios in Simplest Form

Express the following ratio in simplest form :

Problem 1 :

2 : 4

Solution

Problem 2 :

56 : 14

Solution

Problem 3 :

15 : 25

Solution

Problem 4 :

0.4 : 0.5

Solution

Problem 5 :

0.2 : 0.6

Solution

Problem 6 :

0.03 : 0.15

Solution

Problem 7 :

1/5 : 4/5

Solution

Problem 8 :

5/4 : 1/4

Solution

Problem 9 :

1/3 : 2

Solution

Problem 10 :

3 : 1/2

Solution

Problem 11 :

34 mm to 1 cm

Solution

Problem 12 :

2 m to 125 cm

Solution

Problem 13 :

 24 seconds to 1  1/2 min

Solution

Problem 14 :

2 L to 750 ml

Solution

Problem 15 :

1 week to 3 days

Solution

Problem 16 :

4 weeks to 1 year

Solution

Problem 17 :

250 g to 1 kg

Solution

Problem 18 :

1.5 kg to 125 g

Solution

Problem 19 :

3 min to 45 seconds

Solution

Find the ratio of the shaded area and the unshaded area in the following figures

Problem 20 :

Solution

Problem 21 :

Solution

Problem 22 :

Solution

Problem 23 :

Solution

Problem 24 :

There are 45 males and 60 females in a subway car. The subway car travels 2.5 miles in 5 minutes.

a. Find the ratio of males to females.

b. Find the speed of the subway car.

Solution

Answer Key

1)  1 : 2

2)  4 : 1

3)  3 : 5

4)  4 : 5

5)  1 : 3

6)  1 : 5

7)  1 : 4

8)  5 : 1

9)  1 : 6

10)  6 : 1

11)  17 : 5

12)  8 : 5

13)  4 : 15

14)  8 : 3

15)  7 : 3

16)  1 : 13

17)  1 : 4

18)  12 : 1

19)  4 : 1

20)  5 : 2

21)  4 : 1

22)  1 : 1

23)  1 : 8

24)  a)  3 : 4    b)  1 : 2

Write each ratio as a fraction in simplest form, using a colon, and using the word “to”.

Problem 1 :

3 sailboats to 6 motorboats

Solution

Problem 2 :

4 tulips to 9 daffodils

Solution

Problem 3 :

5 baseballs to 25 softballs

Solution

Problem 4 :

2 days out of 8 days

Solution

Problem 5 :

6 poodles out of 18 dogs

Solution

Problem 6 :

10 yellow eggs out of 12 colored eggs

Solution

Problem 7 :

12 sheets of paper out of 28

Solution

Problem 8 :

18 hours out of 24 hours

Solution

Problem 9 :

16 elms out of 20 trees

Solution

Problem 10 :

15 trumpets to 9 trombones

Solution

Problem 11 :

5 ducks to 30 geese

Solution

Problem 12 :

14 lions to 10 tigers

Solution

Problem 13 :

6 sodas out of 16 drinks

Solution

Problem 14 :

20 blue jays out of 35 birds

Solution

Problem 15 :

An office opens at 9 am and closes at 5 pm with a lunch interval of 30 minutes. What is the ratio of lunch interval to the total period in office ?

Solution

Problem 16 :

The length of a steel tape for measurements of building is 10 m and its width is 2.4 cm. Waht is the ratio of its length to width?

Solution

Problem 17 :

The number of boys and girls in a school are 1168 and 1095 respectively. Express the ratio of the number of boys to that of girls in the simplest form.

Solution

Problem 18 :

Manoj weight is 36 kg. His brother weight is 2 kg more. Find the ratio of weight of Manoj's brother to Manoj.

Solution

Answer key

1)  1 : 2

2)  4 : 9

3)  1 : 5

4)  1 : 4

5)  1 : 3

6)  5 : 6

7)  3 : 7

8)  2 : 3

9)  5 : 8

10)   5 : 3

11)  1 : 6

12)  7 : 5

13)  3 : 5

14)  4 : 7

15)  1 : 16

16)  1250 : 3

17)  16 : 15

18)  18 : 19

Problem 1 :

Bob has 12 red cards and 20 green cards. What is the ratio of Bob's red cards to this green cards ?

Solution

Problem 2 :

In a party 10 soft drinks are required for every 12 guests. If there are 252 guests, how many soft drinks is required.

Solution

Problem 3 :

In Jack's class, 18 of the students are tall and 10 are short. In Michael's class 54 students are tall and 30 students are short. Which class has a higher ratio of tall to short students ?

Solution

Problem 4 :

The price of 3 apples at the Quick Market is $1.44. The price of 5 of the same apples at Walmart is $2.50. Which place is the better buy ?

Solution

Problem 5 :

The bakers at the Bakery can make 160 bagels in 4 hours. How many bagels can they bake in 16 hours? What is the rate per hour ?

Solution

Problem 6 :

The ratio of the boys to girls in a class is 2 : 3. If there are 18 boys in the class, how many girls  are in that class ?

Solution

Problem 7 :

The ratio of red marbles to blue marbles in the bag is 3 : 4. If there are 42 marbles in the bag, how many of the marbles are red ?

Solution

Problem 8 :

Methane gas contains carbon atoms and hydrogen atoms in the ratio of 1 : 4. A sample of methane gas contains 92 hydrogen atoms. How many carbon atoms are in the sample? How many total atoms are in the sample?

Solution

Problem 9 :

A nutrition label shows that there are 75 milligrams of sodium in every 12 crackers. You eat 30 crackers. How much sodium do you consume?

Solution

Problem 10 :

Two whole numbers A and B satisfy the following conditions. Find A and B.

A + B = 44

A : B is equivalent to 4 : 7

Solution

Answer Key

1)  3 : 5

2)  210

3)  ratio between tall to short is the same in both classes.

4) Quick market is the best place.

5)   the baker can make 240 bagels in 16 hours.

6)  there are 27 class in the class.

7)  x = 6

8)   69

9) 187.5 milligrams of sodium consumed by yourself.

10)  A = 16 and B = 28

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