Answers

Add 8/81 and 64/10

1^st number: 8/81, 2^nd number: 6 4/10

8/81 + 64/10 is 2632/405.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 10 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 81 × 10 = 810,
   8/81 = 8 × 10/81 × 10 = 80/810
3. Likewise, for the 2nd fraction, since 10 × 81 = 810,
   64/10 = 64 × 81/10 × 81 = 5184/810
4. Add the two like fractions:
   80/810 + 5184/810 = 80 + 5184/810 = 5264/810
5. 5264/810 simplified gives 2632/405
6. So, 8/81 + 64/10 = 2632/405
   In mixed form: 6202/405

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