Show:
Adding Common Denominators
Subtracting Common Denominators
Adding NON -Common Denominators
Subtracting NON -Common Denominators
Comparing Fractions
100
3/5 + 1/5
What is 4/5 ?
100

4/7 - 1/7

What is 3/7 ?

100
1/2 + 1/6
What is 4/6 ?
100
3/4 - 1/2
What is 1/4 ?
100
1/3 or 1/2
What is 1/2 ?
200
4/8 + 3/8
What is 7/8 ?
200

6/9 - 4/9 =

What is 2/9 ?

200
3/4 + 1/8
What is 7/8 ?
200
7/12 - 1/3
What is 3/12 or 1/4 ?
200
3/5 or 5/10 ?
What is 3/5 ?
300
11/17 + 3/17
What is 14/17 ?
300

1 - 1/5 =

What is 4/5 ?

300
3/8 + 5/12
What is 19/24 ?
300
9/10 - 3/4
What is 3/20 ?
300
4/5 or 7/9
What is 4/5 ?
400
200/350 + 110/350
What is 310/350 ?
400

24/25 - 7/25 =17/25

What is 17/25 ?

400
14/25 + 3/10
What is 43/50 ?
400
11/12 - 3/10
What is 37/60 ?
400
11/13 or 8/10
What is 11/13 ?
500

3/Maths + 9/Maths =

What is 12/Maths?

500

1- 13/16 =

What is 3/16 ?

500
1/3 + 2/5 + 1/6
What is 27/30 or 9/10 ?
500
51/72 - 1/6
What is 39/72 ?
500
23/40 or 41/78
What is 23/40 ?