Subtract 18/28 from 27/96, Solve 27/96

Subtract 18/28 from 27/96

27/96 - 18/28 is -81/224.

Find the least common denominator or LCM of the two denominators:
LCM of 96 and 28 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 96 × 7 = 672,
27/96 = 27 × 7/96 × 7 = 189/672
Likewise, for the 2nd fraction, since 28 × 24 = 672,
18/28 = 18 × 24/28 × 24 = 432/672
Subtract the two like fractions:
189/672 - 432/672 = 189 - 432/672 = -243/672
After reducing the fraction, the answer is -81/224

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