Subtract 30/63 from 45/32, Solve 1 13/32

Subtract 30/63 from 45/32

1^st number: 1 13/32, 2^nd number: 30/63

45/32 - 30/63 is 625/672.

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

Next, find the equivalent fraction of both fractional numbers with denominator 2016
For the 1st fraction, since 32 × 63 = 2016,
45/32 = 45 × 63/32 × 63 = 2835/2016
Likewise, for the 2nd fraction, since 63 × 32 = 2016,
30/63 = 30 × 32/63 × 32 = 960/2016
Subtract the two like fractions:
2835/2016 - 960/2016 = 2835 - 960/2016 = 1875/2016
After reducing the fraction, the answer is 625/672

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