Subtract 1/42 from 27/36
27/36 - 1/42 is 61/84.
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,
27/36 = 27 × 7/36 × 7 = 189/252 - Likewise, for the 2nd fraction, since 42 × 6 = 252,
1/42 = 1 × 6/42 × 6 = 6/252 - Subtract the two like fractions:
189/252 - 6/252 = 189 - 6/252 = 183/252 - After reducing the fraction, the answer is 61/84
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