Answers

Subtract 5/16 from 84/81

1^st number: 1 3/81, 2^nd number: 5/16

84/81 - 5/16 is 313/432.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 16 is 1296
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1296
2. For the 1st fraction, since 81 × 16 = 1296,
   84/81 = 84 × 16/81 × 16 = 1344/1296
3. Likewise, for the 2nd fraction, since 16 × 81 = 1296,
   5/16 = 5 × 81/16 × 81 = 405/1296
4. Subtract the two like fractions:
   1344/1296 - 405/1296 = 1344 - 405/1296 = 939/1296
5. After reducing the fraction, the answer is 313/432

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