Subtract 42/18 from 48/84
1st number: 48/84, 2nd number: 2 6/18
48/84 - 42/18 is -37/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
48/84 = 48 × 3/84 × 3 = 144/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
42/18 = 42 × 14/18 × 14 = 588/252 - Subtract the two like fractions:
144/252 - 588/252 = 144 - 588/252 = -444/252 - After reducing the fraction, the answer is -37/21
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