Subtract 18/16 from 20/56
1st number: 20/56, 2nd number: 1 2/16
20/56 - 18/16 is -43/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 56 × 2 = 112,
20/56 = 20 × 2/56 × 2 = 40/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
18/16 = 18 × 7/16 × 7 = 126/112 - Subtract the two like fractions:
40/112 - 126/112 = 40 - 126/112 = -86/112 - After reducing the fraction, the answer is -43/56
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