Answers

Add 6/10 and 15/81

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

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 81 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 10 × 81 = 810,
   6/10 = 6 × 81/10 × 81 = 486/810
3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
   15/81 = 15 × 10/81 × 10 = 150/810
4. Add the two like fractions:
   486/810 + 150/810 = 486 + 150/810 = 636/810
5. 636/810 simplified gives 106/135
6. So, 6/10 + 15/81 = 106/135

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