subtracting fractions
1/2 - 3/4
-1/4
1/2 + 1/2
1
2/3 divided by 4/5
5/6
1.8 x 2.2
3.96
11 x 23
253
3/7 - 8/9
-29/63
2/3 + 5/6
1 1/2
2/3 divided by 9/10
20/27
9.2 x 1.5
13.8
22 x 56
1232
7/8 - 9/10
-1/40
5/6 + 8/9
1 13/18
20/40 divided by 23/26
13/23
20.3 x 4.6
93.38
30 x 256
7680
60/120 - 12/38
7/38
90/100 + 40/95
1 61/190
45/60 divided by 23/40
1 7/23
5.2 x 2.3
11.96
124 x 34
4216
20/80 - 30/90
-1/12
56/89 + 23/40
1 727/3560
56/89 divided by 23/40
1 193/2047
11.60 x 22.99
268.0634
12 x 29
348