adding and subtracting fractions

What is the top number of a fraction called?

• Denominator

• Numerator

What is the bottom number of a fraction called?

• Denominator

• Numerator

What is the sum of these fractions?

• 4/5
• 3/20
• 17/20
• 4/20

• 14/16
• 7/8
• 8/7
• 4/10

• 1/12
• 1
• 2/35
• 23/25

1/6 + 1/12

• 3/12

• 3/8

• 2/12

• 1/4

1/8 + 11/16

• 13/16

• 6/8

• 12/16

• 1/8

7/8 - 7/12

• 7/24

• 1/4

• 7/12

• 4/24

3/4  -  1/2

• 1/3
• 1/4
• 2/3
• 1/5