Answers

Add 84/48 and 63/15

1^st number: 1 36/48, 2^nd number: 4 3/15

84/48 + 63/15 is 119/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 15 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 48 × 5 = 240,
   84/48 = 84 × 5/48 × 5 = 420/240
3. Likewise, for the 2nd fraction, since 15 × 16 = 240,
   63/15 = 63 × 16/15 × 16 = 1008/240
4. Add the two like fractions:
   420/240 + 1008/240 = 420 + 1008/240 = 1428/240
5. 1428/240 simplified gives 119/20
6. So, 84/48 + 63/15 = 119/20
   In mixed form: 519/20

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