Subtract 4/15 from 56/84
56/84 - 4/15 is 2/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
56/84 = 56 × 5/84 × 5 = 280/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
4/15 = 4 × 28/15 × 28 = 112/420 - Subtract the two like fractions:
280/420 - 112/420 = 280 - 112/420 = 168/420 - After reducing the fraction, the answer is 2/5
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