Subtract 30/36 from 56/84
56/84 - 30/36 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
56/84 = 56 × 3/84 × 3 = 168/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
30/36 = 30 × 7/36 × 7 = 210/252 - Subtract the two like fractions:
168/252 - 210/252 = 168 - 210/252 = -42/252 - After reducing the fraction, the answer is -1/6
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