Subtract 20/9 from 72/56
1st number: 1 16/56, 2nd number: 2 2/9
72/56 - 20/9 is -59/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 9 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
72/56 = 72 × 9/56 × 9 = 648/504 - Likewise, for the 2nd fraction, since 9 × 56 = 504,
20/9 = 20 × 56/9 × 56 = 1120/504 - Subtract the two like fractions:
648/504 - 1120/504 = 648 - 1120/504 = -472/504 - After reducing the fraction, the answer is -59/63
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