Multiply and Divide Fractions

Steps to multiply mixed numbers.

1. Change mixed number to improper fraction. 2. Multiply numerators. 3. Multiply denominators. 4. Write answer in simplest form.

Steps to divide a whole # by a fraction

1. Keep the whole number and place it over the #1. 2. Write the reciprocal of the second number. 3. Change divide to multiply. 4. Multiply numerators. 5. Multiply denominators. 6. Write answer in simplest form.

Jason has 3/4 ton of stone to spread equally in 3 square yards. How many tons of stone will be spread in each square yard?

1/4

1/20 divide by 3

1/60

2 1/3 x 1 7/10

119/30 or 3 and 29/30

Change 1 5/7 to an improper fraction

12/7

8 x 6/15

16/5

6 divided by 1/3

18

Justin ate 1/4 of a pie. If there were 8 slices of pie, how many slices did Justin eat?

2

2 2/5 divided by 4/7

21/5 or 4 1/5

Change 15/4 to a mixed number

3 3/4

9/4 ÷ 6

3/8

12 divided by 1/3

36

5 x 6/7

4 and 2/7

Write 17/3 as a mixed number.

5 and 2/3

1/2 of 13

6 1/2

2/3 X 4/3

8/9

16 divided by 3/5

80/3

3/7 of 21

9

Denominator

bottom number of a fraction

Numerator

top number of a fraction