Subtract 60/32 from 70/63, Solve 1 7/63

Subtract 60/32 from 70/63

1^st number: 1 7/63, 2^nd number: 1 28/32

70/63 - 60/32 is -55/72.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 32 is 2016

Next, find the equivalent fraction of both fractional numbers with denominator 2016
For the 1st fraction, since 63 × 32 = 2016,
70/63 = 70 × 32/63 × 32 = 2240/2016
Likewise, for the 2nd fraction, since 32 × 63 = 2016,
60/32 = 60 × 63/32 × 63 = 3780/2016
Subtract the two like fractions:
2240/2016 - 3780/2016 = 2240 - 3780/2016 = -1540/2016
After reducing the fraction, the answer is -55/72

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