The answer to 13/36 minus 9/35 is 131/1260
7/9 − 5/13 = 46/117
this is 8/9 or .8888888888888888888888888888888888888888889 Do you not have a calculator?
13 over 45
13 over 63.
9/20 − 5/14 = 13/140
8/9 − 3/5 = 13/45
9/10 - 13/30 = 27/30 - 13/30 = 14/30 = 7/15
7/12 - 3/8 = 14/24 - 9/24 = 5/24.
1/6 + 3/8 = 4/24 + 9/24 =13/24 13 over 24
4/9 = 24/54 1/6 = 9/54 24/54 - 9/54 = 15/54 = 5/18
-13 minus -4 is -9