Subtract 81/60 from 35/84
1st number: 35/84, 2nd number: 1 21/60
35/84 - 81/60 is -14/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
35/84 = 35 × 5/84 × 5 = 175/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
81/60 = 81 × 7/60 × 7 = 567/420 - Subtract the two like fractions:
175/420 - 567/420 = 175 - 567/420 = -392/420 - After reducing the fraction, the answer is -14/15
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