Subtract 81/42 from 9/48
1st number: 9/48, 2nd number: 1 39/42
9/48 - 81/42 is -195/112.
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,
9/48 = 9 × 7/48 × 7 = 63/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
81/42 = 81 × 8/42 × 8 = 648/336 - Subtract the two like fractions:
63/336 - 648/336 = 63 - 648/336 = -585/336 - After reducing the fraction, the answer is -195/112
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