Rounding to tens place
12
10
121
100
0 x 7
0
1/4 + 2/4
3/4
1/2 x 2/3
2/6
34
30
256
300
2 x 8
16
3/6 + 2/6
5/6
1/4 x 1/3
1/12
76
80
462
500
4 x 5
10/15-7/15
3/15
3/5 x 2/4
6/20
89
90
799
800
9 x 9
81
20/30-11/30
9/30
4/7 x 5/6
20/42
50
50
601
600
10 x 3
30
3/4+3/5
You can't solve this because the denominators are different!
3/10 x 4/5
12/50