Answers

Add 2/21 and 80/42

1^st number: 2/21, 2^nd number: 1 38/42

2/21 + 80/42 is 2/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 42 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 21 × 2 = 42,
   2/21 = 2 × 2/21 × 2 = 4/42
3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
   80/42 = 80 × 1/42 × 1 = 80/42
4. Add the two like fractions:
   4/42 + 80/42 = 4 + 80/42 = 84/42
5. 84/42 simplified gives 2/1
6. So, 2/21 + 80/42 = 2/1

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