Subtract 5/6 from 20/84
20/84 - 5/6 is -25/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
5/6 = 5 × 14/6 × 14 = 70/84 - Subtract the two like fractions:
20/84 - 70/84 = 20 - 70/84 = -50/84 - After reducing the fraction, the answer is -25/42
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