Subtract 35/42 from 1/84
1/84 - 35/42 is -23/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
1/84 = 1 × 1/84 × 1 = 1/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
35/42 = 35 × 2/42 × 2 = 70/84 - Subtract the two like fractions:
1/84 - 70/84 = 1 - 70/84 = -69/84 - After reducing the fraction, the answer is -23/28
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