Subtract 10/63 from 36/81
36/81 - 10/63 is 2/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 63 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
36/81 = 36 × 7/81 × 7 = 252/567 - Likewise, for the 2nd fraction, since 63 × 9 = 567,
10/63 = 10 × 9/63 × 9 = 90/567 - Subtract the two like fractions:
252/567 - 90/567 = 252 - 90/567 = 162/567 - After reducing the fraction, the answer is 2/7
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