Subtract 27/10 from 24/81
1st number: 24/81, 2nd number: 2 7/10
24/81 - 27/10 is -649/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 10 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
24/81 = 24 × 10/81 × 10 = 240/810 - Likewise, for the 2nd fraction, since 10 × 81 = 810,
27/10 = 27 × 81/10 × 81 = 2187/810 - Subtract the two like fractions:
240/810 - 2187/810 = 240 - 2187/810 = -1947/810 - After reducing the fraction, the answer is -649/270
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