Adding and subtracting fractions

What is the sum of 1/3 and 1/3?

• 1/3

• 2/3

• 3/3

• 0

3/4-1/4=

• 2/4 or 1/2

• 4/4 or 1

• 1/4

• 3/4

2/3+1/4=

• 3/4

• 9/12

• 1/4

• 11/12

7/10-1/5=

• 5/10

• 8/10

• 6/10

• 6/5

10/12-3/6=

• 5/6

• 13/12

• 4/12

• 4/6

FInd the least common denominator for 2/3 and 3/4.

• 3

• 4

• 6

• 12

FInd the least common denominator for 3/12 and 3/4.

• 3

• 4

• 6

• 12

FInd the least common denominator for 2/5 and 4/10.

• 10

• 5

• 2

• 20

14/15-2/5=

• 12/15

• 8/14

• 8/10

• 16/15

What is the least common denominator for 1/4 and 3/15?

• 4

• 60

• 30

• 45