Answers

Subtract 40/60 from 10/81

10/81 - 40/60 is -44/81.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 60 is 1620
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1620
2. For the 1st fraction, since 81 × 20 = 1620,
   10/81 = 10 × 20/81 × 20 = 200/1620
3. Likewise, for the 2nd fraction, since 60 × 27 = 1620,
   40/60 = 40 × 27/60 × 27 = 1080/1620
4. Subtract the two like fractions:
   200/1620 - 1080/1620 = 200 - 1080/1620 = -880/1620
5. After reducing the fraction, the answer is -44/81

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