Subtract 12/54 from 5/63
5/63 - 12/54 is -1/7.
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,
5/63 = 5 × 6/63 × 6 = 30/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
12/54 = 12 × 7/54 × 7 = 84/378 - Subtract the two like fractions:
30/378 - 84/378 = 30 - 84/378 = -54/378 - After reducing the fraction, the answer is -1/7
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