Answers

Add 30/81 and 40/9

1^st number: 30/81, 2^nd number: 4 4/9

30/81 + 40/9 is 130/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 9 is 81
   
   Next, find the equivalent fraction of both fractional numbers with denominator 81
2. For the 1st fraction, since 81 × 1 = 81,
   30/81 = 30 × 1/81 × 1 = 30/81
3. Likewise, for the 2nd fraction, since 9 × 9 = 81,
   40/9 = 40 × 9/9 × 9 = 360/81
4. Add the two like fractions:
   30/81 + 360/81 = 30 + 360/81 = 390/81
5. 390/81 simplified gives 130/27
6. So, 30/81 + 40/9 = 130/27
   In mixed form: 422/27

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