Subtract 20/63 from 48/54
48/54 - 20/63 is 4/7.
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,
48/54 = 48 × 7/54 × 7 = 336/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
20/63 = 20 × 6/63 × 6 = 120/378 - Subtract the two like fractions:
336/378 - 120/378 = 336 - 120/378 = 216/378 - After reducing the fraction, the answer is 4/7
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