Answers

Subtract 40/81 from 16/7

1^st number: 2 2/7, 2^nd number: 40/81

16/7 - 40/81 is 1016/567.

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,
   16/7 = 16 × 81/7 × 81 = 1296/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   40/81 = 40 × 7/81 × 7 = 280/567
4. Subtract the two like fractions:
   1296/567 - 280/567 = 1296 - 280/567 = 1016/567
5. In mixed form: 1449/567

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