Answers

Add 81/21 and 42/21

1^st number: 3 18/21, 2^nd number: 2 0/21

81/21 + 42/21 is 41/7.

Steps for adding fractions

1. Add the two fractions:
   81/21 + 42/21 = 81 + 42/21 = 123/21
2. 123/21 simplified gives 41/7
3. So, 81/21 + 42/21 = 41/7
   In mixed form: 56/7

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