Answers

Subtract 2/81 from 27/7

1^st number: 3 6/7, 2^nd number: 2/81

27/7 - 2/81 is 2173/567.

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,
   27/7 = 27 × 81/7 × 81 = 2187/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   2/81 = 2 × 7/81 × 7 = 14/567
4. Subtract the two like fractions:
   2187/567 - 14/567 = 2187 - 14/567 = 2173/567
5. In mixed form: 3472/567

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