2 over 9
5/12
17 1/10
3/10 - 4/5 = 3/10 - 8/10 = -5/10 = -1/2
66
19/20-3/4=1/5 3/4-19/20= -1/5
3/2 − 6/5 = 3/10
4
2/3 minus 1/4 is 5/12
7/9 − 1/5 = 26/45
8 and 5 over 6
1/6
1 1/4 - 3/4 = (1×4+1)/4 - 3/4 = 5/4 - 3/4 = (5-3)/4 = 2/4 = (1×2)/(2×2) = 1/2