Answers

Add 30/12 and 70/81

1^st number: 2 6/12, 2^nd number: 70/81

30/12 + 70/81 is 545/162.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 81 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 12 × 27 = 324,
   30/12 = 30 × 27/12 × 27 = 810/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   70/81 = 70 × 4/81 × 4 = 280/324
4. Add the two like fractions:
   810/324 + 280/324 = 810 + 280/324 = 1090/324
5. 1090/324 simplified gives 545/162
6. So, 30/12 + 70/81 = 545/162
   In mixed form: 359/162

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