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13/20 - 3/15 = 9/20
3/15 of 15 is 3
13/20 minus 3/5 is 1/20
2/3
Answer: 3/20ths
8/13 - 3/13 = 5/13
10
3/20 = 0.15
It is 13/72 minus 3/8 = -7/36
Negative 13 is.
3/20 is 0.15