Subtract 81/48 from 70/84
1st number: 70/84, 2nd number: 1 33/48
70/84 - 81/48 is -41/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
70/84 = 70 × 4/84 × 4 = 280/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
81/48 = 81 × 7/48 × 7 = 567/336 - Subtract the two like fractions:
280/336 - 567/336 = 280 - 567/336 = -287/336 - After reducing the fraction, the answer is -41/48
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