Subtract 84/20 from 56/15
1st number: 3 11/15, 2nd number: 4 4/20
56/15 - 84/20 is -7/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
56/15 = 56 × 4/15 × 4 = 224/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
84/20 = 84 × 3/20 × 3 = 252/60 - Subtract the two like fractions:
224/60 - 252/60 = 224 - 252/60 = -28/60 - After reducing the fraction, the answer is -7/15
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