Answers

Add 15/81 and 6/10

15/81 + 6/10 is 106/135.

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,
   15/81 = 15 × 10/81 × 10 = 150/810
3. Likewise, for the 2nd fraction, since 10 × 81 = 810,
   6/10 = 6 × 81/10 × 81 = 486/810
4. Add the two like fractions:
   150/810 + 486/810 = 150 + 486/810 = 636/810
5. 636/810 simplified gives 106/135
6. So, 15/81 + 6/10 = 106/135

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