Subtract 54/32 from 1/63, Solve 1/63

Subtract 54/32 from 1/63

1^st number: 1/63, 2^nd number: 1 22/32

1/63 - 54/32 is -1685/1008.

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,
1/63 = 1 × 32/63 × 32 = 32/2016
Likewise, for the 2nd fraction, since 32 × 63 = 2016,
54/32 = 54 × 63/32 × 63 = 3402/2016
Subtract the two like fractions:
32/2016 - 3402/2016 = 32 - 3402/2016 = -3370/2016
After reducing the fraction, the answer is -1685/1008

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