Answers

Add 54/81 and 30/10

1^st number: 54/81, 2^nd number: 3 0/10

54/81 + 30/10 is 11/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 10 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 81 × 10 = 810,
   54/81 = 54 × 10/81 × 10 = 540/810
3. Likewise, for the 2nd fraction, since 10 × 81 = 810,
   30/10 = 30 × 81/10 × 81 = 2430/810
4. Add the two like fractions:
   540/810 + 2430/810 = 540 + 2430/810 = 2970/810
5. 2970/810 simplified gives 11/3
6. So, 54/81 + 30/10 = 11/3
   In mixed form: 32/3

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