Answers

Add 50/81 and 42/20

1^st number: 50/81, 2^nd number: 2 2/20

50/81 + 42/20 is 2201/810.

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,
   50/81 = 50 × 20/81 × 20 = 1000/1620
3. Likewise, for the 2nd fraction, since 20 × 81 = 1620,
   42/20 = 42 × 81/20 × 81 = 3402/1620
4. Add the two like fractions:
   1000/1620 + 3402/1620 = 1000 + 3402/1620 = 4402/1620
5. 4402/1620 simplified gives 2201/810
6. So, 50/81 + 42/20 = 2201/810
   In mixed form: 2581/810

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