Subtracting Fractions With Unlike Denominators

5/6 - 1/7

• 29/42

• 28/42

• 4/42

Tags

CCSS.7.NS.A.1C

7/8 - 1/6 = 

• 17/24

• 15/18

• 12/24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

4/5 - 2/3

• 3/15

• 2/2

• 2/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• -4/3
• 13/18
• 4/3
• 2/9

Tags

CCSS.7.NS.A.1C

• 1/12
• 1
• 2/35
• 23/25

Tags

CCSS.7.NS.A.1C

• 2/15

• 2/0

• 1/2

• 0/-2

Tags

CCSS.7.NS.A.1C

• 1/12
• 1
• 2/35
• 23/25

Tags

CCSS.7.NS.A.1C

#1

• 1/10

• 2/5

• 4/5

• 1 and 3/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Solve and simplify if needed:

1/3 - 1/5 =

Mathematical Equivalence

OFF

Tags

CCSS.7.NS.A.1C