Add Rational Fractions

• - 1  7/40
• 15/40
• - 1 10/40
• 17/40

Tags

CCSS.7.NS.A.1C

What is the first step in solving this problem? 
⅘ + ½ =

• Add the top parts of the fraction

• Rewrite the fractions in the simplest form. 

• Find a common denominator. 

• Make each fraction into an improper faction. 

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

3/5 + 1/4 = 

• 5/20

• 12/20

• 7/20

• 17/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Following the integer rules, would you add or subtract the fractions?

• add, the answer would be positive

• add, the answer would be negative

• subtract, the answer will be positive

• subtract the answer will be negative

Tags

CCSS.7.NS.A.1C

Mathematical Equivalence

ON

Tags

CCSS.7.NS.A.1C

-3/7 + 4/5

• 43/35

• -13/35

• 13/35

• 17/35

• Answer not given

Tags

CCSS.7.NS.A.1C

- 1/3 + (-1/6)

• -1/2

• -1/3

• 1/3

• -1/9

• Answer not given

Tags

CCSS.7.NS.A.1C

5/8 − (− 7/8)

• 1  1/2

• 2  1/2

• -1  1/2

• -2  1/2

Tags

CCSS.7.NS.A.1C

What is the least common denominator for 1/3 and 3/4?

• 6

• 4

• 3

• 12

What is the least common denominator for 6/7 and 1/2?

• 12

• 14

• 7

• 6