Answers

Add 42/30 and 96/81

1^st number: 1 12/30, 2^nd number: 1 15/81

42/30 + 96/81 is 349/135.

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,
   42/30 = 42 × 27/30 × 27 = 1134/810
3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
   96/81 = 96 × 10/81 × 10 = 960/810
4. Add the two like fractions:
   1134/810 + 960/810 = 1134 + 960/810 = 2094/810
5. 2094/810 simplified gives 349/135
6. So, 42/30 + 96/81 = 349/135
   In mixed form: 279/135

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