Answers

Add 84/15 and 72/48

1^st number: 5 9/15, 2^nd number: 1 24/48

84/15 + 72/48 is 71/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 48 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 15 × 16 = 240,
   84/15 = 84 × 16/15 × 16 = 1344/240
3. Likewise, for the 2nd fraction, since 48 × 5 = 240,
   72/48 = 72 × 5/48 × 5 = 360/240
4. Add the two like fractions:
   1344/240 + 360/240 = 1344 + 360/240 = 1704/240
5. 1704/240 simplified gives 71/10
6. So, 84/15 + 72/48 = 71/10
   In mixed form: 71/10

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