Answers

Add 45/63 and 14/12

1^st number: 45/63, 2^nd number: 1 2/12

45/63 + 14/12 is 79/42.

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,
   45/63 = 45 × 4/63 × 4 = 180/252
3. Likewise, for the 2nd fraction, since 12 × 21 = 252,
   14/12 = 14 × 21/12 × 21 = 294/252
4. Add the two like fractions:
   180/252 + 294/252 = 180 + 294/252 = 474/252
5. 474/252 simplified gives 79/42
6. So, 45/63 + 14/12 = 79/42
   In mixed form: 137/42

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