Answers

Add 20/21 and 70/21

1^st number: 20/21, 2^nd number: 3 7/21

20/21 + 70/21 is 30/7.

Steps for adding fractions

1. Add the two fractions:
   20/21 + 70/21 = 20 + 70/21 = 90/21
2. 90/21 simplified gives 30/7
3. So, 20/21 + 70/21 = 30/7
   In mixed form: 42/7

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