Answers

Add 21/4 and 45/4

1^st number: 5 1/4, 2^nd number: 11 1/4

21/4 + 45/4 is 33/2.

Steps for adding fractions

1. Add the two fractions:
   21/4 + 45/4 = 21 + 45/4 = 66/4
2. 66/4 simplified gives 33/2
3. So, 21/4 + 45/4 = 33/2
   In mixed form: 161/2

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