Answers

Subtract 10/81 from 2/63

2/63 - 10/81 is -52/567.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 81 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 63 × 9 = 567,
   2/63 = 2 × 9/63 × 9 = 18/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   10/81 = 10 × 7/81 × 7 = 70/567
4. Subtract the two like fractions:
   18/567 - 70/567 = 18 - 70/567 = -52/567

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