Answers

Add 2/60 and 15/81

2/60 + 15/81 is 59/270.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 81 is 1620
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1620
2. For the 1st fraction, since 60 × 27 = 1620,
   2/60 = 2 × 27/60 × 27 = 54/1620
3. Likewise, for the 2nd fraction, since 81 × 20 = 1620,
   15/81 = 15 × 20/81 × 20 = 300/1620
4. Add the two like fractions:
   54/1620 + 300/1620 = 54 + 300/1620 = 354/1620
5. 354/1620 simplified gives 59/270
6. So, 2/60 + 15/81 = 59/270

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