Subtract 25/81 from 10/15
10/15 - 25/81 is 29/81.
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,
10/15 = 10 × 27/15 × 27 = 270/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
25/81 = 25 × 5/81 × 5 = 125/405 - Subtract the two like fractions:
270/405 - 125/405 = 270 - 125/405 = 145/405 - After reducing the fraction, the answer is 29/81
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