Addition Subtraction Multiplication Fractions

3/5 + 1/4 = 

• 5/20

• 12/20

• 7/20

• 17/20

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

• 6

• 4

• 3

• 12

What is the least common denominator for 6/7 and 1/2?

• 12

• 14

• 7

• 6

What is the least common denominator you could use to subtract 1/6 and 1/4?

• 24

• 16

• 20

• 12

What must you have to add and subtract fractions?

• Common numerators

• Different numerators

• Different denominators

• Common denominators

MIXED FRACTION ADDITIONS

6 2/8 + 5 4/8

• 11 3/4

• 11 6/8

• 1 3/8

• 10 6/8

Is the fraction 1/3 equivalent to 4/12?

• Yes

• No

Review: What is 1/10 + 5/10?

Match the following differences

• 0/5

• 8/10 - 7/10 =

• 1/3

• 4/5 - 4/5 =

• 1/10

• 4/10 - 1/10 =

• 4/9

• 8/9 - 4/9 =

• 3/10

• 2/3 - 1/3 =

Landon has 8/10 of his lawn left to mow. He mows 6/10 of the lawn before breaking for breakfast. How much more of the lawn does Landon have left to mow?