Adding and Subtracting Unlike Fractions

1/4 + 5/8

• 2/8
• 6/12
• 3/4
• 7/8

Add 1/6 + 1/2=?

• 4/6
• 3/8
• 3/6
• 2/8

Add 2/3 + 5/12=?

• 7/12
• 1 1/12
• 11/12

8/9 - 1/3 = 

• 7/6
• 5/9
• 2/3
• 8/27

4/5 - 1/20 = 

• 0
• 20/15
• 3/15
• 15/20

What is 8/9 - 5/6?

• 1/18
• 3/4
• 6/7
• 10/12

What is 9/10 - 3/4?

• 5/7
• 3/20
• 3/8 
• 9/10

Andrew ran 1/3 of a mile and swam 5/6 of a mile. How much farther did he swim than run?

• 5/18 of a mile

• 1/2 of a mile

• 4/3 of a mile

• 3/6 of a mile

What must you have to add and subtract fractions?

• Common numerators
• Different numerators
• Different denominators
• Common denominators

• 1/2

• 5/8

• 3/4

• 7/8