Answers

Add 45/12 and 14/63

1^st number: 3 9/12, 2^nd number: 14/63

45/12 + 14/63 is 143/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 12 × 21 = 252,
   45/12 = 45 × 21/12 × 21 = 945/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   14/63 = 14 × 4/63 × 4 = 56/252
4. Add the two like fractions:
   945/252 + 56/252 = 945 + 56/252 = 1001/252
5. 1001/252 simplified gives 143/36
6. So, 45/12 + 14/63 = 143/36
   In mixed form: 335/36

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