Adding, Subtracting Fractions with Like Denominators

2/5  +1/5 + 1/5=

• 3/15

• 4/5

• 2/5

• 4/15

• 5/14
• 3/7
• 5/7
• 5/14

• 3/8
• 3/16
• 1/8
• 2/8

• 4/5
• 4/10
• 2/5
• 5

If we have common denominators and we want to add or subtract them we need to

• add/subtract the numerator and slide over the denominator.

• add/subtract the numerator and add/subtract the denominator.

2/12 + 3/12

• 5/12

• 5/24

• 6/12

Add 2/7 + 3/7= ?

• 4/7

• 5/7

• 5/14

What is the answer?

• 
• 
• 
• 

38/50 + 7/50

• 45/100

• 26/50

• 45/50

• 81/100

36/40 - 24/40

• 60/80

• 12/0

• 12/40

• 12/20