Multiplying and Dividing Fractions and Mixed Numbers with Unlike Denominators

¼ × ⅚ =

• ¹/₄
• ⁶/₂₀
• ⁵/₂₄
• ³/₂₀

1 ¼ × 2 ¾ =

• 3 ⁷/₁₆
• 1 ¹/₂
• 2 ³/₁₆
• 4 ¹/₄

2 ³/₄ × 12 =

• 33
• 24 ³/₄
• 24 ¹/₃
• 120

2  ÷ 1/3

• 2/6
• 6
• 1/3
• 1/6

• 2  ¹/₅
• 2  ⁴/₁₅
• 6  ⁸/₁₅
•   1  ¹/₅

Valerie bought a 9 ft piece of ribbon from which she wants to cut into 2/3 ft pieces. How many 2/3 ft pieces can Valerie cut?

• 13
• 6
• 9
• This is not possible.

George has 1/3 pan of brownies. He eats 1/4 of them. What fraction did George eat?

• 1/7
• 1/4
• 1/3
• 1/12

Which expression is correct for this problem?

• 18 x ⅚

• 18 ÷ ⅚

• ⅚ ÷ 18

Which expression is correct? 

• ½ ÷ 7
• ½ x 7
• 7 ÷ ½

A railroad construction crew can lay 1 1/4 mile of track in one day. At that rate, how many days will it take to lay 10 miles of track?

• 8 days
• 12 1/2 days