Add and Subtract Fractions Unlike Denominators

3/5 - 5/10

• 1/10

• 8/5

• 1/5

• 8/0

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Pick the steps that are true

• find the common denominators, add or subtract, change the numerators

• multiply the denominators, add or subtract the numerators, simplify, divide the fraction

• Find the least common denominators, what you do to the top do to the bottom, add or subtract, simplify

• add or subtract, simplify, multiply denominators

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

8/10 - 1/5

• 5/3

• 3/5

• 9/13

Tags

CCSS.7.NS.A.1C

Fractions with different denominators are called _______ fractions .

• Like

• Mixed

• Unlike

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

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

To add or subtract, two fractions must have...

• a monkey.

• unlike terms.

• common denominators.

• the same numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 5/14
• 3/7
• 5/7
• 5/14

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 13/15
• 1 7/12
• 1
• 9/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Find the difference.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 1/9
• 11/9
• 5/9
• 7/12

Tags

CCSS.7.NS.A.1C