Subtract 90/42 from 27/48
1st number: 27/48, 2nd number: 2 6/42
27/48 - 90/42 is -177/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
27/48 = 27 × 7/48 × 7 = 189/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
90/42 = 90 × 8/42 × 8 = 720/336 - Subtract the two like fractions:
189/336 - 720/336 = 189 - 720/336 = -531/336 - After reducing the fraction, the answer is -177/112
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