Answers

Add 21/40 and 28/40

21/40 + 28/40 is 49/40.

Steps for adding fractions

1. Add the two fractions:
   21/40 + 28/40 = 21 + 28/40 = 49/40
2. So, 21/40 + 28/40 = 49/40
   In mixed form: 19/40

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