Subtracting Fractions with Unlike Denominators

5/6 - 1/7

• 29/42

• 28/42

• 4/42

Tags

CCSS.7.NS.A.1C

4/5 - 2/3

• 3/15

• 2/2

• 2/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

7/8 - 3/4

• 2/8

• 4/8

• 1/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is 8/9 - 5/6?

• 1/18

• 3/4

• 6/7

Tags

CCSS.7.NS.A.1C

2/3 - 1/2

• 1/6

• 1/5

• 5/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

7/8 - 1/6 = 

• 17/24
• 15/18
• 12/24

Tags

CCSS.7.NS.A.1C

8/9 - 1/3 =

• 7/6

• 5/9

• 2/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

4/5 - 1/20 (make sure to simplify)

• 3/4

• 20/15

• 3/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is 9/10 - 3/4?

• 5/7

• 3/20

• 3/8

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..

• Find the GCF to change your denominator

• Change the denominator by picking a random number then divide

• Find the LCD to change your denominator

Tags

CCSS.7.NS.A.1C