Subtract 49/42 from 7/27
1st number: 7/27, 2nd number: 1 7/42
7/27 - 49/42 is -49/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 27 × 14 = 378,
7/27 = 7 × 14/27 × 14 = 98/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
49/42 = 49 × 9/42 × 9 = 441/378 - Subtract the two like fractions:
98/378 - 441/378 = 98 - 441/378 = -343/378 - After reducing the fraction, the answer is -49/54
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