Answers

Subtract 15/81 from 56/2

1^st number: 28 0/2, 2^nd number: 15/81

56/2 - 15/81 is 751/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 81 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 2 × 81 = 162,
   56/2 = 56 × 81/2 × 81 = 4536/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   15/81 = 15 × 2/81 × 2 = 30/162
4. Subtract the two like fractions:
   4536/162 - 30/162 = 4536 - 30/162 = 4506/162
5. After reducing the fraction, the answer is 751/27
6. In mixed form: 2722/27

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