Answers

Add 5/81 and 40/9

1^st number: 5/81, 2^nd number: 4 4/9

5/81 + 40/9 is 365/81.

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,
   5/81 = 5 × 1/81 × 1 = 5/81
3. Likewise, for the 2nd fraction, since 9 × 9 = 81,
   40/9 = 40 × 9/9 × 9 = 360/81
4. Add the two like fractions:
   5/81 + 360/81 = 5 + 360/81 = 365/81
5. So, 5/81 + 40/9 = 365/81
   In mixed form: 441/81

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