Subtract 18/14 from 28/27
1st number: 1 1/27, 2nd number: 1 4/14
28/27 - 18/14 is -47/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 14 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 27 × 14 = 378,
28/27 = 28 × 14/27 × 14 = 392/378 - Likewise, for the 2nd fraction, since 14 × 27 = 378,
18/14 = 18 × 27/14 × 27 = 486/378 - Subtract the two like fractions:
392/378 - 486/378 = 392 - 486/378 = -94/378 - After reducing the fraction, the answer is -47/189
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