Subtract 30/63 from 9/96, Solve 9/96

Subtract 30/63 from 9/96

9/96 - 30/63 is -257/672.

Find the least common denominator or LCM of the two denominators:
LCM of 96 and 63 is 2016

Next, find the equivalent fraction of both fractional numbers with denominator 2016
For the 1st fraction, since 96 × 21 = 2016,
9/96 = 9 × 21/96 × 21 = 189/2016
Likewise, for the 2nd fraction, since 63 × 32 = 2016,
30/63 = 30 × 32/63 × 32 = 960/2016
Subtract the two like fractions:
189/2016 - 960/2016 = 189 - 960/2016 = -771/2016
After reducing the fraction, the answer is -257/672

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