Subtract 9/27 from 81/4
1st number: 20 1/4, 2nd number: 9/27
81/4 - 9/27 is 239/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
81/4 = 81 × 27/4 × 27 = 2187/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
9/27 = 9 × 4/27 × 4 = 36/108 - Subtract the two like fractions:
2187/108 - 36/108 = 2187 - 36/108 = 2151/108 - After reducing the fraction, the answer is 239/12
- In mixed form: 1911/12
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