Answers

Add 21/16 and 15/16

1^st number: 1 5/16, 2^nd number: 15/16

21/16 + 15/16 is 9/4.

Steps for adding fractions

1. Add the two fractions:
   21/16 + 15/16 = 21 + 15/16 = 36/16
2. 36/16 simplified gives 9/4
3. So, 21/16 + 15/16 = 9/4
   In mixed form: 21/4

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