Answers

Add 70/81 and 8/5

1^st number: 70/81, 2^nd number: 1 3/5

70/81 + 8/5 is 998/405.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 5 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 81 × 5 = 405,
   70/81 = 70 × 5/81 × 5 = 350/405
3. Likewise, for the 2nd fraction, since 5 × 81 = 405,
   8/5 = 8 × 81/5 × 81 = 648/405
4. Add the two like fractions:
   350/405 + 648/405 = 350 + 648/405 = 998/405
5. So, 70/81 + 8/5 = 998/405
   In mixed form: 2188/405

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