Answers

Add 63/45 and 45/12

1^st number: 1 18/45, 2^nd number: 3 9/12

63/45 + 45/12 is 103/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 12 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 45 × 4 = 180,
   63/45 = 63 × 4/45 × 4 = 252/180
3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
   45/12 = 45 × 15/12 × 15 = 675/180
4. Add the two like fractions:
   252/180 + 675/180 = 252 + 675/180 = 927/180
5. 927/180 simplified gives 103/20
6. So, 63/45 + 45/12 = 103/20
   In mixed form: 53/20

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