Answers

Add 48/15 and 63/36

1^st number: 3 3/15, 2^nd number: 1 27/36

48/15 + 63/36 is 99/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 36 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 15 × 12 = 180,
   48/15 = 48 × 12/15 × 12 = 576/180
3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
   63/36 = 63 × 5/36 × 5 = 315/180
4. Add the two like fractions:
   576/180 + 315/180 = 576 + 315/180 = 891/180
5. 891/180 simplified gives 99/20
6. So, 48/15 + 63/36 = 99/20
   In mixed form: 419/20

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