Answers

Add 18/21 and 42/21

1^st number: 18/21, 2^nd number: 2 0/21

18/21 + 42/21 is 20/7.

Steps for adding fractions

1. Add the two fractions:
   18/21 + 42/21 = 18 + 42/21 = 60/21
2. 60/21 simplified gives 20/7
3. So, 18/21 + 42/21 = 20/7
   In mixed form: 26/7

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