rational number operations

What is the first step in this fraction addition problem?

 $\frac{4}{5}+\frac{2}{5}$  

• Add the tops, keep the bottom the same

• Get the denominators to be the same

• 4 times 2

• Multiply by the reciprocal

What is the first step in this fraction addition problem?

 $\frac{4}{5}+\frac{2}{7}$  

• Add the tops, keep the bottom the same

• Get the denominators to be the same

• 4 times 2

• Multiply by the reciprocal

What is the first step in this fraction multiplication problem?

 $\frac{4}{5}\cdot\frac{2}{7}$  

• Add the tops, keep the bottom the same

• Get the denominators to be the same

• 4 times 2 

• Multiply by the reciprocal

What is the first step in this fraction division problem?

 $\frac{4}{5}\div\frac{2}{7}$  

• Add the tops, keep the bottom the same

• Get the denominators to be the same

• 4 times 2 

• Multiply by the reciprocal

Gina had 1/4 of a pizza and she shared it with 3 people  How much did each person get?

• add
• subtract
• multiply
• divide

Tags

CCSS.5.NF.B.3

CCSS.5.NF.B.7

Bobby has 3/4 of a cake. If he shares a 1/8 slice with Morgan, how much does he have left?

• 4/8
• 5/8
• 3/4
• 7/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Convert into an improper fraction.

• 15/2
• 10/5
• 17/5
• 11/2

Tags

CCSS.5.NF.B.3

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.

Tags

CCSS.5.NF.B.3

CCSS.5.NF.B.7

What is the quotient of these fractions in lowest terms?

• 6/40
• 6/10
• 3/5
• 12/20

Tags

CCSS.6.NS.A.1

3/7 + 1/4

• 4/11
• 19/28
• 4/28
• 3/11

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2