Subtract 90/28 from 81/48
1st number: 1 33/48, 2nd number: 3 6/28
81/48 - 90/28 is -171/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 28 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
81/48 = 81 × 7/48 × 7 = 567/336 - Likewise, for the 2nd fraction, since 28 × 12 = 336,
90/28 = 90 × 12/28 × 12 = 1080/336 - Subtract the two like fractions:
567/336 - 1080/336 = 567 - 1080/336 = -513/336 - After reducing the fraction, the answer is -171/112
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