Answers

Add 12/42 and 35/9

1^st number: 12/42, 2^nd number: 3 8/9

12/42 + 35/9 is 263/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 9 is 126
2. For the 1st fraction, since 42 × 3 = 126,
   12/42 = 12 × 3/42 × 3 = 36/126
3. Likewise, for the 2nd fraction, since 9 × 14 = 126,
   35/9 = 35 × 14/9 × 14 = 490/126
4. Add the two fractions:
   36/126 + 490/126 = 36 + 490/126 = 526/126
5. After reducing the fraction, the answer is 263/63
6. In mixed form: 411/63

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