Answers

Add 70/20 and 21/20

1^st number: 3 10/20, 2^nd number: 1 1/20

70/20 + 21/20 is 91/20.

Steps for adding fractions

1. Add the two fractions:
   70/20 + 21/20 = 70 + 21/20 = 91/20
2. So, 70/20 + 21/20 = 91/20
   In mixed form: 411/20

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