Answers

Subtract 7/81 from 8/7

1^st number: 1 1/7, 2^nd number: 7/81

8/7 - 7/81 is 599/567.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 81 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 7 × 81 = 567,
   8/7 = 8 × 81/7 × 81 = 648/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   7/81 = 7 × 7/81 × 7 = 49/567
4. Subtract the two like fractions:
   648/567 - 49/567 = 648 - 49/567 = 599/567
5. In mixed form: 132/567

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