Answers

Subtract 10/63 from 4/81

4/81 - 10/63 is -62/567.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 63 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 81 × 7 = 567,
   4/81 = 4 × 7/81 × 7 = 28/567
3. Likewise, for the 2nd fraction, since 63 × 9 = 567,
   10/63 = 10 × 9/63 × 9 = 90/567
4. Subtract the two like fractions:
   28/567 - 90/567 = 28 - 90/567 = -62/567

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