Answers

Add 80/42 and 35/27

1^st number: 1 38/42, 2^nd number: 1 8/27

80/42 + 35/27 is 605/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 27 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 42 × 9 = 378,
   80/42 = 80 × 9/42 × 9 = 720/378
3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
   35/27 = 35 × 14/27 × 14 = 490/378
4. Add the two like fractions:
   720/378 + 490/378 = 720 + 490/378 = 1210/378
5. 1210/378 simplified gives 605/189
6. So, 80/42 + 35/27 = 605/189
   In mixed form: 338/189

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