Subtract 49/28 from 42/63
1st number: 42/63, 2nd number: 1 21/28
42/63 - 49/28 is -13/12.
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,
42/63 = 42 × 4/63 × 4 = 168/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
49/28 = 49 × 9/28 × 9 = 441/252 - Subtract the two like fractions:
168/252 - 441/252 = 168 - 441/252 = -273/252 - After reducing the fraction, the answer is -13/12
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