Answers

Subtract 50/81 from 54/18

1^st number: 3 0/18, 2^nd number: 50/81

54/18 - 50/81 is 193/81.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 81 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 18 × 9 = 162,
   54/18 = 54 × 9/18 × 9 = 486/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   50/81 = 50 × 2/81 × 2 = 100/162
4. Subtract the two like fractions:
   486/162 - 100/162 = 486 - 100/162 = 386/162
5. After reducing the fraction, the answer is 193/81
6. In mixed form: 231/81

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