Subtract 2/36 from 18/42
18/42 - 2/36 is 47/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 42 × 6 = 252,
18/42 = 18 × 6/42 × 6 = 108/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
2/36 = 2 × 7/36 × 7 = 14/252 - Subtract the two like fractions:
108/252 - 14/252 = 108 - 14/252 = 94/252 - After reducing the fraction, the answer is 47/126
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