Subtract 14/21 from 49/54
49/54 - 14/21 is 13/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 21 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
49/54 = 49 × 7/54 × 7 = 343/378 - Likewise, for the 2nd fraction, since 21 × 18 = 378,
14/21 = 14 × 18/21 × 18 = 252/378 - Subtract the two like fractions:
343/378 - 252/378 = 343 - 252/378 = 91/378 - After reducing the fraction, the answer is 13/54
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