Subtract 84/56 from 15/20
1st number: 15/20, 2nd number: 1 28/56
15/20 - 84/56 is -3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
15/20 = 15 × 14/20 × 14 = 210/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
84/56 = 84 × 5/56 × 5 = 420/280 - Subtract the two like fractions:
210/280 - 420/280 = 210 - 420/280 = -210/280 - After reducing the fraction, the answer is -3/4
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