Answers

Add 12/75 and 63/54

1^st number: 12/75, 2^nd number: 1 9/54

12/75 + 63/54 is 199/150.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 54 is 1350
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1350
2. For the 1st fraction, since 75 × 18 = 1350,
   12/75 = 12 × 18/75 × 18 = 216/1350
3. Likewise, for the 2nd fraction, since 54 × 25 = 1350,
   63/54 = 63 × 25/54 × 25 = 1575/1350
4. Add the two like fractions:
   216/1350 + 1575/1350 = 216 + 1575/1350 = 1791/1350
5. 1791/1350 simplified gives 199/150
6. So, 12/75 + 63/54 = 199/150
   In mixed form: 149/150

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