Answers

Add 90/20 and 9/20

1^st number: 4 10/20, 2^nd number: 9/20

90/20 + 9/20 is 99/20.

Steps for adding fractions

1. Add the two fractions:
   90/20 + 9/20 = 90 + 9/20 = 99/20
2. So, 90/20 + 9/20 = 99/20
   In mixed form: 419/20

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