Answers

Add 45/4 and 84/4

1^st number: 11 1/4, 2^nd number: 21 0/4

45/4 + 84/4 is 129/4.

Steps for adding fractions

1. Add the two fractions:
   45/4 + 84/4 = 45 + 84/4 = 129/4
2. So, 45/4 + 84/4 = 129/4
   In mixed form: 321/4

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