Fractions Unit 1 Lesson 9

To add or subtract a fraction, you need to have a ___________

• Whole

• Ungroup

• Common Denominator

• Mixed Number

5/10 + 3/10 =

• 8/20

• 8/10

• 8/8

• 2/10

Add. A common denominator hint is shown for you. Select the correct answer

• 7 10/15

• 1 13/15

• 7 13/15

• 7 3/8

Subtract.

• 3 5/9

• 9 11/9

• 3 11/18

• 3 4/9

• 25/27
• 21/27
• 1
• 21/36

What is the sum?

• 
• 
• 
• 

• 14/16
• 7/8
• 8/7
• 4/10

• 1 7/8
• 2 1/8
• 3
• 6 3/8