Answers

Add 90/20 and 15/20

1^st number: 4 10/20, 2^nd number: 15/20

90/20 + 15/20 is 21/4.

Steps for adding fractions

1. Add the two fractions:
   90/20 + 15/20 = 90 + 15/20 = 105/20
2. 105/20 simplified gives 21/4
3. So, 90/20 + 15/20 = 21/4
   In mixed form: 51/4

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