Answers

Subtract 8/63 from 40/81

40/81 - 8/63 is 208/567.

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,
   40/81 = 40 × 7/81 × 7 = 280/567
3. Likewise, for the 2nd fraction, since 63 × 9 = 567,
   8/63 = 8 × 9/63 × 9 = 72/567
4. Subtract the two like fractions:
   280/567 - 72/567 = 280 - 72/567 = 208/567

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