Answers

Add 98/60 and 45/15

1^st number: 1 38/60, 2^nd number: 3 0/15

98/60 + 45/15 is 139/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 15 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 60 × 1 = 60,
   98/60 = 98 × 1/60 × 1 = 98/60
3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
   45/15 = 45 × 4/15 × 4 = 180/60
4. Add the two like fractions:
   98/60 + 180/60 = 98 + 180/60 = 278/60
5. 278/60 simplified gives 139/30
6. So, 98/60 + 45/15 = 139/30
   In mixed form: 419/30

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