Subtract 20/54 from 81/6
1st number: 13 3/6, 2nd number: 20/54
81/6 - 20/54 is 709/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 6 × 9 = 54,
81/6 = 81 × 9/6 × 9 = 729/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
20/54 = 20 × 1/54 × 1 = 20/54 - Subtract the two like fractions:
729/54 - 20/54 = 729 - 20/54 = 709/54 - In mixed form: 137/54
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