Subtract 25/81 from 2/10
2/10 - 25/81 is -44/405.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 10 × 81 = 810,
2/10 = 2 × 81/10 × 81 = 162/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
25/81 = 25 × 10/81 × 10 = 250/810 - Subtract the two like fractions:
162/810 - 250/810 = 162 - 250/810 = -88/810 - After reducing the fraction, the answer is -44/405
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