Answers

Add 54/81 and 30/20

1^st number: 54/81, 2^nd number: 1 10/20

54/81 + 30/20 is 13/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 20 is 1620
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1620
2. For the 1st fraction, since 81 × 20 = 1620,
   54/81 = 54 × 20/81 × 20 = 1080/1620
3. Likewise, for the 2nd fraction, since 20 × 81 = 1620,
   30/20 = 30 × 81/20 × 81 = 2430/1620
4. Add the two like fractions:
   1080/1620 + 2430/1620 = 1080 + 2430/1620 = 3510/1620
5. 3510/1620 simplified gives 13/6
6. So, 54/81 + 30/20 = 13/6
   In mixed form: 21/6

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