Answers

Add 10/81 and 84/60

1^st number: 10/81, 2^nd number: 1 24/60

10/81 + 84/60 is 617/405.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 60 is 1620
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1620
2. For the 1st fraction, since 81 × 20 = 1620,
   10/81 = 10 × 20/81 × 20 = 200/1620
3. Likewise, for the 2nd fraction, since 60 × 27 = 1620,
   84/60 = 84 × 27/60 × 27 = 2268/1620
4. Add the two like fractions:
   200/1620 + 2268/1620 = 200 + 2268/1620 = 2468/1620
5. 2468/1620 simplified gives 617/405
6. So, 10/81 + 84/60 = 617/405
   In mixed form: 1212/405

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