Multiply Fractions

To multiply two fractions...

• multiply the numerators and keep the denominators constant.

• multiply the numerators and multiply the denominators.

• keep the numerators constant and multiply the denominators.

• guess and check.

7/9  x  1/2  =

• 7/18

• 14/9

• 8/11

• 1  5/9

What multiplication problem is being modeled in this picture?

• 3/8 x 1/4

• 1/8 x 3/4

• 3/7 x 1/4

• 1/7 x 3/4

What multiplication problem is being modeled in this picture?

• 3/4 x 3/4

• 4/3 x 4/3

• 3/4 x 3/5

• 3/4 x 4/3

• 3/8

• 6/5

• 2/15

Solve. Make sure answer is in simplest form.

Mathematical Equivalence

OFF

⅙ × ⅓ =

• ¹/₃

• ¹/₁₈

• ²/₉

• ¹/₉

What is ³/₅ of ¹²/₁₅?

• ¹²/₂₅

• ¹²/₂₀

• ³⁶/₂₅

• ³⁶/₇₅

¼ × ⅚ =

• ¹/₄   

• ⁶/₂₀

• ⁵/₂₄

• ³/₂₀

⅕ × ⅚ =

• ⅕

• ⁵/₃₀

• ⅙

• ¾