Answers

Add 54/30 and 10/81

1^st number: 1 24/30, 2^nd number: 10/81

54/30 + 10/81 is 779/405.

Steps for adding 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,
   10/81 = 10 × 10/81 × 10 = 100/810
4. Add the two like fractions:
   1458/810 + 100/810 = 1458 + 100/810 = 1558/810
5. 1558/810 simplified gives 779/405
6. So, 54/30 + 10/81 = 779/405
   In mixed form: 1374/405

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