200
8/10 * 9/10
What is 72/100
200
2/5+6/8
What is 1 3/20
300
25/50 * 2/5
What is 25/125
300
1/4 / 8/5
What is 5/32
300
2/8 + 2/5
What is 13/20
300
7/8 - 4/5
What is 3/40
400
6/8 * 12/15
What is 3/5
400
7/8 / 5/8
What is 2 9/10
400
12/14 + 2/5
What is 1 24/35
400
5/9 - 3/8
What is 13/72
500
32/35 * 3/4
What is 96/140
500
78/100 / 78/200
What is 2
500
12/45 + 45/60
What is 1 3/180
500
120/300 - 12/30
What is 0