Answers

Add 7/45 and 10/81

7/45 + 10/81 is 113/405.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 81 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 45 × 9 = 405,
   7/45 = 7 × 9/45 × 9 = 63/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   10/81 = 10 × 5/81 × 5 = 50/405
4. Add the two like fractions:
   63/405 + 50/405 = 63 + 50/405 = 113/405
5. So, 7/45 + 10/81 = 113/405

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