Subtract 81/28 from 25/63
1st number: 25/63, 2nd number: 2 25/28
25/63 - 81/28 is -629/252.
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,
25/63 = 25 × 4/63 × 4 = 100/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
81/28 = 81 × 9/28 × 9 = 729/252 - Subtract the two like fractions:
100/252 - 729/252 = 100 - 729/252 = -629/252
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