Subtract 40/54 from 14/63
14/63 - 40/54 is -14/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 63 × 6 = 378,
14/63 = 14 × 6/63 × 6 = 84/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
40/54 = 40 × 7/54 × 7 = 280/378 - Subtract the two like fractions:
84/378 - 280/378 = 84 - 280/378 = -196/378 - After reducing the fraction, the answer is -14/27
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