Answers

Add 21/42 and 35/14

1^st number: 21/42, 2^nd number: 2 7/14

21/42 + 35/14 is 3/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 14 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 42 × 1 = 42,
   21/42 = 21 × 1/42 × 1 = 21/42
3. Likewise, for the 2nd fraction, since 14 × 3 = 42,
   35/14 = 35 × 3/14 × 3 = 105/42
4. Add the two like fractions:
   21/42 + 105/42 = 21 + 105/42 = 126/42
5. 126/42 simplified gives 3/1
6. So, 21/42 + 35/14 = 3/1

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