Subtract 81/4 from 14/54
1st number: 14/54, 2nd number: 20 1/4
14/54 - 81/4 is -2159/108.
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,
14/54 = 14 × 2/54 × 2 = 28/108 - Likewise, for the 2nd fraction, since 4 × 27 = 108,
81/4 = 81 × 27/4 × 27 = 2187/108 - Subtract the two like fractions:
28/108 - 2187/108 = 28 - 2187/108 = -2159/108
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