Answers

Subtract 16/81 from 54/30

1^st number: 1 24/30, 2^nd number: 16/81

54/30 - 16/81 is 649/405.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 81 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 30 × 27 = 810,
   54/30 = 54 × 27/30 × 27 = 1458/810
3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
   16/81 = 16 × 10/81 × 10 = 160/810
4. Subtract the two like fractions:
   1458/810 - 160/810 = 1458 - 160/810 = 1298/810
5. After reducing the fraction, the answer is 649/405
6. In mixed form: 1244/405

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