Subtract 5/63 from 28/54
28/54 - 5/63 is 83/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 63 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
28/54 = 28 × 7/54 × 7 = 196/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
5/63 = 5 × 6/63 × 6 = 30/378 - Subtract the two like fractions:
196/378 - 30/378 = 196 - 30/378 = 166/378 - After reducing the fraction, the answer is 83/189
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