Adding and Subtracting Fractions

What is ¹/₈ + ⁵/₈?

• 1
• ⁶/₁₆ or ³/₈
• ⁶/₈ or ³/₄
• ²/₄ or ¹/₂

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Drew ate 1/3 of a cake for breakfast and 2/5 of the cake for lunch. How much cake did Drew eat?

• 1/15 of a cake

• 10/15 of a cake

• 3/8 of a cake

• 11/15 of a cake

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is 4/5 + 3/6?

• 7/9

• 7/11

• 1 3/10

• 1 7/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Can you add fractions with different denominators?

• Yes, you just add straight across

• Yes, you just simplify at the end

• No, you must find a common denominator

• No, the math police will come get you

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Is this a correct answer?

• Yes, the student correctly added.
• No, you cannot add unlike denominators
• No, 5 + 7 is not 12
• No, 2 + 3 is not 5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

(Choose one that is true) When you add or subtract fractions with unlike denominators you..

• Add both the numerators and denominators

• Change the denominator by picking a random number then divide

• Find the least common multiple of both denominators

• none of these are true

Tags

CCSS.7.NS.A.1C

  $\frac{19}{20}-\frac{3}{10}=$  

•  $\frac{15}{20}$  

•  $\frac{22}{20}$  

•  $\frac{13}{20}$  

•  $\frac{16}{10}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

 James is helping his dad paint his house. They mixed $\frac{5}{9}$ gallons of white paint and  $\frac{1}{6}$  gallons of blue pain. How many gallons was the mixture in all? 

•  $\frac{6}{18}$   gallons

•  $\frac{13}{18}$   gallons

•  $\frac{4}{5}$   gallons

•  $\frac{1}{6}$   gallons

Tags

CCSS.7.NS.A.1C

 $\frac{8}{9}-\frac{5}{6}=$  

•  $\frac{4}{18}$  

•  $\frac{1}{18}$  

•  $\frac{3}{18}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Andrew ran $\frac{1}{3}$ of a mile and swam  $\frac{5}{6}$ of a mile. How much farther did he swim than run?  

•  $\frac{5}{18}$  of a mile

•  $\frac{1}{2}$  of a mile

•  $\frac{4}{3}$   of a mile

•  $\frac{3}{6}$   of a mile

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2