Answers

Add 81/20 and 21/20

1^st number: 4 1/20, 2^nd number: 1 1/20

81/20 + 21/20 is 51/10.

Steps for adding fractions

1. Add the two fractions:
   81/20 + 21/20 = 81 + 21/20 = 102/20
2. 102/20 simplified gives 51/10
3. So, 81/20 + 21/20 = 51/10
   In mixed form: 51/10

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