Subtract 63/48 from 12/42
1st number: 12/42, 2nd number: 1 15/48
12/42 - 63/48 is -115/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
12/42 = 12 × 8/42 × 8 = 96/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
63/48 = 63 × 7/48 × 7 = 441/336 - Subtract the two like fractions:
96/336 - 441/336 = 96 - 441/336 = -345/336 - After reducing the fraction, the answer is -115/112
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