Answers

Add 80/42 and 35/9

1^st number: 1 38/42, 2^nd number: 3 8/9

80/42 + 35/9 is 365/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 9 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 42 × 3 = 126,
   80/42 = 80 × 3/42 × 3 = 240/126
3. Likewise, for the 2nd fraction, since 9 × 14 = 126,
   35/9 = 35 × 14/9 × 14 = 490/126
4. Add the two like fractions:
   240/126 + 490/126 = 240 + 490/126 = 730/126
5. 730/126 simplified gives 365/63
6. So, 80/42 + 35/9 = 365/63
   In mixed form: 550/63

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