Answers

Add 80/42 and 5/25

1^st number: 1 38/42, 2^nd number: 5/25

80/42 + 5/25 is 221/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 25 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 42 × 25 = 1050,
   80/42 = 80 × 25/42 × 25 = 2000/1050
3. Likewise, for the 2nd fraction, since 25 × 42 = 1050,
   5/25 = 5 × 42/25 × 42 = 210/1050
4. Add the two like fractions:
   2000/1050 + 210/1050 = 2000 + 210/1050 = 2210/1050
5. 2210/1050 simplified gives 221/105
6. So, 80/42 + 5/25 = 221/105
   In mixed form: 211/105

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