Answers

Add 15/98 and 72/60

1^st number: 15/98, 2^nd number: 1 12/60

15/98 + 72/60 is 663/490.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 60 is 2940
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2940
2. For the 1st fraction, since 98 × 30 = 2940,
   15/98 = 15 × 30/98 × 30 = 450/2940
3. Likewise, for the 2nd fraction, since 60 × 49 = 2940,
   72/60 = 72 × 49/60 × 49 = 3528/2940
4. Add the two like fractions:
   450/2940 + 3528/2940 = 450 + 3528/2940 = 3978/2940
5. 3978/2940 simplified gives 663/490
6. So, 15/98 + 72/60 = 663/490
   In mixed form: 1173/490

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