Answers

Add 12/25 and 80/60

1^st number: 12/25, 2^nd number: 1 20/60

12/25 + 80/60 is 136/75.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 60 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 25 × 12 = 300,
   12/25 = 12 × 12/25 × 12 = 144/300
3. Likewise, for the 2nd fraction, since 60 × 5 = 300,
   80/60 = 80 × 5/60 × 5 = 400/300
4. Add the two like fractions:
   144/300 + 400/300 = 144 + 400/300 = 544/300
5. 544/300 simplified gives 136/75
6. So, 12/25 + 80/60 = 136/75
   In mixed form: 161/75

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