Answers

Add 20/18 and 63/18

1^st number: 1 2/18, 2^nd number: 3 9/18

20/18 + 63/18 is 83/18.

Steps for adding fractions

1. Add the two fractions:
   20/18 + 63/18 = 20 + 63/18 = 83/18
2. So, 20/18 + 63/18 = 83/18
   In mixed form: 411/18

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