Subtract 81/54 from 20/2
1st number: 10 0/2, 2nd number: 1 27/54
20/2 - 81/54 is 17/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
20/2 = 20 × 27/2 × 27 = 540/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
81/54 = 81 × 1/54 × 1 = 81/54 - Subtract the two like fractions:
540/54 - 81/54 = 540 - 81/54 = 459/54 - After reducing the fraction, the answer is 17/2
- In mixed form: 81/2
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