Answers

Add 25/98 and 15/63

25/98 + 15/63 is 145/294.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 63 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 98 × 9 = 882,
   25/98 = 25 × 9/98 × 9 = 225/882
3. Likewise, for the 2nd fraction, since 63 × 14 = 882,
   15/63 = 15 × 14/63 × 14 = 210/882
4. Add the two like fractions:
   225/882 + 210/882 = 225 + 210/882 = 435/882
5. 435/882 simplified gives 145/294
6. So, 25/98 + 15/63 = 145/294

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