Subtract 15/42 from 2/36
2/36 - 15/42 is -19/63.
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,
2/36 = 2 × 7/36 × 7 = 14/252 - Likewise, for the 2nd fraction, since 42 × 6 = 252,
15/42 = 15 × 6/42 × 6 = 90/252 - Subtract the two like fractions:
14/252 - 90/252 = 14 - 90/252 = -76/252 - After reducing the fraction, the answer is -19/63
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