Adding and Subtracting Fractions

Henry ate 1/2 of a chocolate bar. Sally ate 1/4 of it. How much did they eat in total?

• 2/4

• 3/4

• 1/2

• 1/4

2/5 + 7/15 =

• 9/20

• 9/15

• 13/15

• 1/15

3/4 + 1/12 =

• 4/16

• 5/6

• 8/12

• 4/4

2/3 - 4/15 =

• 14/15

• 2/15

• 2/5

• 1/6

4/5 - 4/20

• 3/5

• 8/20

• 18/20

• 4/15

What is 9/18 in simplest form?

(a)  

What is 6/42 in simplest form?

(a)  

Which of these is equivalent to 2/3?

• 8/12

• 15/30

• 18/24

• 4/20