Answers

Subtract 56/54 from 54/81

1^st number: 54/81, 2^nd number: 1 2/54

54/81 - 56/54 is -10/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 54 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 81 × 2 = 162,
   54/81 = 54 × 2/81 × 2 = 108/162
3. Likewise, for the 2nd fraction, since 54 × 3 = 162,
   56/54 = 56 × 3/54 × 3 = 168/162
4. Subtract the two like fractions:
   108/162 - 168/162 = 108 - 168/162 = -60/162
5. After reducing the fraction, the answer is -10/27

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