Subtract 81/28 from 5/63
1st number: 5/63, 2nd number: 2 25/28
5/63 - 81/28 is -709/252.
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,
5/63 = 5 × 4/63 × 4 = 20/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
81/28 = 81 × 9/28 × 9 = 729/252 - Subtract the two like fractions:
20/252 - 729/252 = 20 - 729/252 = -709/252
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