Subtract 72/16 from 56/15
1st number: 3 11/15, 2nd number: 4 8/16
56/15 - 72/16 is -23/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
56/15 = 56 × 16/15 × 16 = 896/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
72/16 = 72 × 15/16 × 15 = 1080/240 - Subtract the two like fractions:
896/240 - 1080/240 = 896 - 1080/240 = -184/240 - After reducing the fraction, the answer is -23/30
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