Subtract 9/10 from 81/54
1st number: 1 27/54, 2nd number: 9/10
81/54 - 9/10 is 3/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
81/54 = 81 × 5/54 × 5 = 405/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
9/10 = 9 × 27/10 × 27 = 243/270 - Subtract the two like fractions:
405/270 - 243/270 = 405 - 243/270 = 162/270 - After reducing the fraction, the answer is 3/5
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