Subtract 28/4 from 20/54
1st number: 20/54, 2nd number: 7 0/4
20/54 - 28/4 is -179/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 4 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 54 × 2 = 108,
20/54 = 20 × 2/54 × 2 = 40/108 - Likewise, for the 2nd fraction, since 4 × 27 = 108,
28/4 = 28 × 27/4 × 27 = 756/108 - Subtract the two like fractions:
40/108 - 756/108 = 40 - 756/108 = -716/108 - After reducing the fraction, the answer is -179/27
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