Subtract 10/28 from 18/63
18/63 - 10/28 is -1/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
18/63 = 18 × 4/63 × 4 = 72/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
10/28 = 10 × 9/28 × 9 = 90/252 - Subtract the two like fractions:
72/252 - 90/252 = 72 - 90/252 = -18/252 - After reducing the fraction, the answer is -1/14
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