Answers

Subtract 50/81 from 28/54

28/54 - 50/81 is -8/81.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 81 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 54 × 3 = 162,
   28/54 = 28 × 3/54 × 3 = 84/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   50/81 = 50 × 2/81 × 2 = 100/162
4. Subtract the two like fractions:
   84/162 - 100/162 = 84 - 100/162 = -16/162
5. After reducing the fraction, the answer is -8/81

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