Adding and Subtracting Fraction

What must you have to add and subtract fractions?

• Common numerators

• Different numerators

• Different denominators

• Common denominators

Tags

CCSS.7.NS.A.1C

Q1. What is the value of the following expression?

• A) 5 1/2

• B) 1 1/6

• C) 5 5/14

• D) 4 19/24

Tags

CCSS.7.NS.A.1C

• 5 1/2
• 1 1/6
• 5 5/14
• 4 19/24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 5 1/2
• 1 1/6
• 5 5/14
• 4 19/24

Tags

CCSS.7.NS.A.1C

What is the sum of these fractions in simplest form?

• 4 ²/₅

• 2

• 1 ⁷/₁₅

• 2/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Jack and Helen are making cookies.  The recipe says to combine ½  cup of butter with ¾ cup chocolate chips and ⅜ cup chopped nuts.  When these three ingredients are mixed together, how many cups of the mixture will Jack and Helen have? 

• 1⅛

• 1¾

• 1½

• 1⅝

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

What is the least common denominator you could use to subtract 1/3 and 1/4?

• 3

• 4

• 24

• 12

What is the sum of these fractions?

• 4/5

• 3/20

• 17/20

• 4/20

Tags

CCSS.7.NS.A.1C

3/9 + 1/3 =

• 7/9

• 4/12

• 2/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D