Subtract 4/27 from 81/2
1st number: 40 1/2, 2nd number: 4/27
81/2 - 4/27 is 2179/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
81/2 = 81 × 27/2 × 27 = 2187/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
4/27 = 4 × 2/27 × 2 = 8/54 - Subtract the two like fractions:
2187/54 - 8/54 = 2187 - 8/54 = 2179/54 - In mixed form: 4019/54
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