Answers

Add 50/63 and 45/12

1^st number: 50/63, 2^nd number: 3 9/12

50/63 + 45/12 is 1145/252.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 12 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 63 × 4 = 252,
   50/63 = 50 × 4/63 × 4 = 200/252
3. Likewise, for the 2nd fraction, since 12 × 21 = 252,
   45/12 = 45 × 21/12 × 21 = 945/252
4. Add the two like fractions:
   200/252 + 945/252 = 200 + 945/252 = 1145/252
5. So, 50/63 + 45/12 = 1145/252
   In mixed form: 4137/252

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