Subtract 10/42 from 20/36
20/36 - 10/42 is 20/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 42 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 42 × 6 = 252,
10/42 = 10 × 6/42 × 6 = 60/252 - Subtract the two like fractions:
140/252 - 60/252 = 140 - 60/252 = 80/252 - After reducing the fraction, the answer is 20/63
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