Subtract 21/80 from 72/56
1st number: 1 16/56, 2nd number: 21/80
72/56 - 21/80 is 573/560.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 56 × 10 = 560,
72/56 = 72 × 10/56 × 10 = 720/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
21/80 = 21 × 7/80 × 7 = 147/560 - Subtract the two like fractions:
720/560 - 147/560 = 720 - 147/560 = 573/560 - In mixed form: 113/560
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