Subtract 56/84 from 8/18
8/18 - 56/84 is -2/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
8/18 = 8 × 14/18 × 14 = 112/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
56/84 = 56 × 3/84 × 3 = 168/252 - Subtract the two like fractions:
112/252 - 168/252 = 112 - 168/252 = -56/252 - After reducing the fraction, the answer is -2/9
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