Answers

Add 15/98 and 72/15

1^st number: 15/98, 2^nd number: 4 12/15

15/98 + 72/15 is 2427/490.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 15 is 1470
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1470
2. For the 1st fraction, since 98 × 15 = 1470,
   15/98 = 15 × 15/98 × 15 = 225/1470
3. Likewise, for the 2nd fraction, since 15 × 98 = 1470,
   72/15 = 72 × 98/15 × 98 = 7056/1470
4. Add the two like fractions:
   225/1470 + 7056/1470 = 225 + 7056/1470 = 7281/1470
5. 7281/1470 simplified gives 2427/490
6. So, 15/98 + 72/15 = 2427/490
   In mixed form: 4467/490

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