Subtract 18/81 from 48/63
48/63 - 18/81 is 34/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 63 × 9 = 567,
48/63 = 48 × 9/63 × 9 = 432/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
18/81 = 18 × 7/81 × 7 = 126/567 - Subtract the two like fractions:
432/567 - 126/567 = 432 - 126/567 = 306/567 - After reducing the fraction, the answer is 34/63
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