Subtract 24/81 from 18/15
1st number: 1 3/15, 2nd number: 24/81
18/15 - 24/81 is 122/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 15 × 27 = 405,
18/15 = 18 × 27/15 × 27 = 486/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
24/81 = 24 × 5/81 × 5 = 120/405 - Subtract the two like fractions:
486/405 - 120/405 = 486 - 120/405 = 366/405 - After reducing the fraction, the answer is 122/135
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