Subtract 72/56 from 18/28
1st number: 18/28, 2nd number: 1 16/56
18/28 - 72/56 is -9/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
18/28 = 18 × 2/28 × 2 = 36/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
72/56 = 72 × 1/56 × 1 = 72/56 - Subtract the two like fractions:
36/56 - 72/56 = 36 - 72/56 = -36/56 - After reducing the fraction, the answer is -9/14
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