Answers

Add 80/42 and 27/24

1^st number: 1 38/42, 2^nd number: 1 3/24

80/42 + 27/24 is 509/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 24 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 42 × 4 = 168,
   80/42 = 80 × 4/42 × 4 = 320/168
3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
   27/24 = 27 × 7/24 × 7 = 189/168
4. Add the two like fractions:
   320/168 + 189/168 = 320 + 189/168 = 509/168
5. So, 80/42 + 27/24 = 509/168
   In mixed form: 35/168

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