Subtract 8/63 from 20/36
20/36 - 8/63 is 3/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
20/36 = 20 × 7/36 × 7 = 140/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
8/63 = 8 × 4/63 × 4 = 32/252 - Subtract the two like fractions:
140/252 - 32/252 = 140 - 32/252 = 108/252 - After reducing the fraction, the answer is 3/7
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