Subtract 10/14 from 18/27
18/27 - 10/14 is -1/21.
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,
18/27 = 18 × 14/27 × 14 = 252/378 - Likewise, for the 2nd fraction, since 14 × 27 = 378,
10/14 = 10 × 27/14 × 27 = 270/378 - Subtract the two like fractions:
252/378 - 270/378 = 252 - 270/378 = -18/378 - After reducing the fraction, the answer is -1/21
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