5.CA.3 Add/Subtract Fractions & Mixed with Unlike Denom.

What is required when adding or subtracting fractions or mixed numbers?

• You can add fractions directly without any changes.
• A common denominator is required.
• Only the numerators need to be the same.
• Fractions can be added or subtracted without a common denominator.

When you subtract 2/5 from 5/6, what is the difference? Write it out on a piece of paper. You will turn it in to your teacher once this entire assignment is completed.

• 7/30
• 3/30

• 11/30
• 13/30

When you add 1 1/3 and 2 3/5, what is the sum? Write it out on the same piece of paper. You will turn it in to your teacher once this entire assignment is completed.

• 3 14/15
• 4 1/5
• 2 1/2
• 3 1/2

Rewrite the number sentence, this time with improper fractions. Again, this should be on that same piece of paper that you’ll turn in once all are finished.

• 5/3 + 12/5
• 3/2 + 10/3
• 4/3 + 13/5
• 2/3 + 8/5

4/3 is equivalent to ___/15. Which numerator would be in the equivalent fraction?

• 20
• 25
• 30
• 10

Do this independently (not with a partner). What is the sum of 8 3/4 + 7 5/9? Write this on that same piece of paper that will be turned in once all finished.

• 17 3/4
• 15 1/2
• 16 11/36
• 16 1/9

13/5 is equivalent to ___/15. Which numerator would make the fraction equivalent?

• 39
• 25
• 45
• 30

What is 4 1/2 as an improper fraction?

• 9/2
• 5/2
• 7/2
• 8/2

What is 5 5/6 as an improper fraction?

• 30/6

• 40/6
• 25/6
• 35/6

What is 7 3/5 as an improper fraction?

• 36/5
• 38/5
• 37/5
• 39/5