Answers

Add 6/20 and 24/81

6/20 + 24/81 is 161/270.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 81 is 1620
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1620
2. For the 1st fraction, since 20 × 81 = 1620,
   6/20 = 6 × 81/20 × 81 = 486/1620
3. Likewise, for the 2nd fraction, since 81 × 20 = 1620,
   24/81 = 24 × 20/81 × 20 = 480/1620
4. Add the two like fractions:
   486/1620 + 480/1620 = 486 + 480/1620 = 966/1620
5. 966/1620 simplified gives 161/270
6. So, 6/20 + 24/81 = 161/270

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