Answers

Add 21/42 and 49/18

1^st number: 21/42, 2^nd number: 2 13/18

21/42 + 49/18 is 29/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 42 × 3 = 126,
   21/42 = 21 × 3/42 × 3 = 63/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   49/18 = 49 × 7/18 × 7 = 343/126
4. Add the two like fractions:
   63/126 + 343/126 = 63 + 343/126 = 406/126
5. 406/126 simplified gives 29/9
6. So, 21/42 + 49/18 = 29/9
   In mixed form: 32/9

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