Answers

Add 25/81 and 6/10

25/81 + 6/10 is 368/405.

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,
   25/81 = 25 × 10/81 × 10 = 250/810
3. Likewise, for the 2nd fraction, since 10 × 81 = 810,
   6/10 = 6 × 81/10 × 81 = 486/810
4. Add the two like fractions:
   250/810 + 486/810 = 250 + 486/810 = 736/810
5. 736/810 simplified gives 368/405
6. So, 25/81 + 6/10 = 368/405

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