Subtract 18/7 from 54/56
1st number: 54/56, 2nd number: 2 4/7
54/56 - 18/7 is -45/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
54/56 = 54 × 1/56 × 1 = 54/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
18/7 = 18 × 8/7 × 8 = 144/56 - Subtract the two like fractions:
54/56 - 144/56 = 54 - 144/56 = -90/56 - After reducing the fraction, the answer is -45/28
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