Subtract 63/28 from 90/48
1st number: 1 42/48, 2nd number: 2 7/28
90/48 - 63/28 is -3/8.
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,
90/48 = 90 × 7/48 × 7 = 630/336 - Likewise, for the 2nd fraction, since 28 × 12 = 336,
63/28 = 63 × 12/28 × 12 = 756/336 - Subtract the two like fractions:
630/336 - 756/336 = 630 - 756/336 = -126/336 - After reducing the fraction, the answer is -3/8
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