Subtract 90/48 from 18/56
1st number: 18/56, 2nd number: 1 42/48
18/56 - 90/48 is -87/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 56 × 6 = 336,
18/56 = 18 × 6/56 × 6 = 108/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
90/48 = 90 × 7/48 × 7 = 630/336 - Subtract the two like fractions:
108/336 - 630/336 = 108 - 630/336 = -522/336 - After reducing the fraction, the answer is -87/56
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