Answers

Add 80/42 and 60/18

1^st number: 1 38/42, 2^nd number: 3 6/18

80/42 + 60/18 is 110/21.

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,
   80/42 = 80 × 3/42 × 3 = 240/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   60/18 = 60 × 7/18 × 7 = 420/126
4. Add the two like fractions:
   240/126 + 420/126 = 240 + 420/126 = 660/126
5. 660/126 simplified gives 110/21
6. So, 80/42 + 60/18 = 110/21
   In mixed form: 55/21

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