Multiply and Divide Fractions

When finding equivalent fractions, we need to multiply or divide:

• Only the numerator

• Only the denominator

• Both the numerator and denominator

• Neither the numerator or denominator

Multiply the fraction 2/5 by the whole number 3.

• 6/5

• 2/15

• 1/3

• 5/2

Divide the unit fraction 1/3 by the whole number 5.

• 1/15

• 2/15

• 1/4

• 1/8

Divide the unit fraction 1/2 by the whole number 4.

• 1/8

• 5/16

• 3/8

• 2/5

⁴⁄₅ × ¹⁰⁄₁₂ =

• ⁴⁰⁄₅₀

• ¹⁄₃

• ⁵⁰⁄₄₈

• ²⁄₃

²⁄₅ ÷ ²⁄₅ =

• ⁴⁄₁₀

• ²⁄₅

• 1

• 5

What does this model represent?

• 3/2  x 1/3  = 1/6

• 2/3  x  1/2  = 1/6

• 1/2  x 1/3  = 4/6

• 1/3  x 1/2 = 1/6

How many batches can be made from a 5 pound bag of sugar?

• 6 ⅔ batches

• 3 ¾ batches

• 3/20 batches

• 6 ½ batches

Lauren has ⅔ pound of bird seed.  Each day she feeds the robins ⅙ pound of seeds.  For how many days can she feed the robins?

• 2 days

• 3 days

• 4 days

• 6 days

Bailey has ⅚ yard of ribbon to make bows.  If she is able to make 6 bows, what is the length of ribbon needed to make each bow?

• 5 yds.

• 1 ⅕ yds. 

• 5/36 yd.

• ⅙ yd.