9/10 − 2/3 = 7/30
7/10 - 9/25 = 35/50 - 18/50 = 17/50
7/9 minus 3/4 is 1/36
8/9 minus 7/12 is 11/36
9/10 minus 3/5 is 3/10
9/10 minus 7/8 is 1/40
7/10 minus 9/8 = -17/40 in its lowest terms
9/10 − 2/3 = 7/30
7/10 - 9/25 = 35/50 - 18/50 = 17/50
-7/9 - 5/10 = -7/9 - 1/2 = -14/18 - 9/18 = -23/18
7/9 minus 2/9 is 5/9
10 minus 9/8 is 8 7/8
9/10 minus 1/10 is 4/5
1 -------- 9-7 -------- 9
8/9 minus 7/12 is 11/36
7/9 minus 3/4 is 1/36
9/10 minus 3/5 is 3/10