Subtract 4/54 from 28/63
28/63 - 4/54 is 10/27.
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,
28/63 = 28 × 6/63 × 6 = 168/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
4/54 = 4 × 7/54 × 7 = 28/378 - Subtract the two like fractions:
168/378 - 28/378 = 168 - 28/378 = 140/378 - After reducing the fraction, the answer is 10/27
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