Answers

Add 63/75 and 45/12

1^st number: 63/75, 2^nd number: 3 9/12

63/75 + 45/12 is 459/100.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 12 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 75 × 4 = 300,
   63/75 = 63 × 4/75 × 4 = 252/300
3. Likewise, for the 2nd fraction, since 12 × 25 = 300,
   45/12 = 45 × 25/12 × 25 = 1125/300
4. Add the two like fractions:
   252/300 + 1125/300 = 252 + 1125/300 = 1377/300
5. 1377/300 simplified gives 459/100
6. So, 63/75 + 45/12 = 459/100
   In mixed form: 459/100

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