Answers

Add 12/63 and 60/12

1^st number: 12/63, 2^nd number: 5 0/12

12/63 + 60/12 is 109/21.

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,
   12/63 = 12 × 4/63 × 4 = 48/252
3. Likewise, for the 2nd fraction, since 12 × 21 = 252,
   60/12 = 60 × 21/12 × 21 = 1260/252
4. Add the two like fractions:
   48/252 + 1260/252 = 48 + 1260/252 = 1308/252
5. 1308/252 simplified gives 109/21
6. So, 12/63 + 60/12 = 109/21
   In mixed form: 54/21

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