Answers

Add 42/21 and 9/21

1^st number: 2 0/21, 2^nd number: 9/21

42/21 + 9/21 is 17/7.

Steps for adding fractions

1. Add the two fractions:
   42/21 + 9/21 = 42 + 9/21 = 51/21
2. 51/21 simplified gives 17/7
3. So, 42/21 + 9/21 = 17/7
   In mixed form: 23/7

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