Solutions by everydaycalculation.com

115 + 6398 is 149210.

- Find the least common denominator or LCM of the two denominators:

LCM of 15 and 98 is**1470**

Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 15 × 98 = 1470,

115 = 1 × 9815 × 98 = 981470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,

6398 = 63 × 1598 × 15 = 9451470 - Add the two like fractions:

981470 + 9451470 = 98 + 9451470 = 10431470 - 1043/1470 simplified gives 149210
- So, 1/15 + 63/98 = 149/210

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