Subtracting Fractions

Common Denominators

100

5/8-3/8

2/8 or 1/4

200

7/12- 4/12

3/12 or 1/4

300

9/16-5/16

4/16 or 1/4

400

6/10-2/10

4/10 or 2/5

500

11/15-6/15

5/15 or 1/3

Different Denominators

100

1/2-1/4

1/4

200

5/6-1/3

3/6 or 1/2

300

7/9-2/3

1/9

400

9/12- 2/4

3/12 or 1/4

500

7/8-3/10

23/40

Fraction Facts

100

What is the lowest common denominator of 2/5 and 1/3?

15

200

Which is the numerator? 5/17

5

300

What is the lowest common denominator of 7/12 and 5/8?

24

400

Which is the denominator? 7/1

1

500

What is the lowest common denominator of 3/4 and 7/10?

20

Word Problems

100

Kiara has 3/4 of a pizza and gives away 1/4. How much pizza does she have left?

2/4 or 1/2

200

Tamir has 7/8 of a yard of fabric and cuts off 3/8. How much fabric is left?

4/8 or 1/2

300

Ali has 4/5 of a bag of flour/ He uses 2/3 of the bag for baking. How much flour does he have left?

2/15

400

A recipe calls for 5/6 cups of sugar, but Katie only has 2/3 of a cup. How much more sugar does she need?

1/6

500

Cian has 5/6 of a chocolate bar and eats 2/3 of it. How much is left?

1/6

Questions about Ms R

100

What is Ms R's favourite colour?

Green

200

Does Ms R have siblings?

Yes, a brother

300

What is Ms Rs favourite sport?

Soccer

400

What month is Ms R leaving?

February :(

500

What city is Ms R from?

London