Answers

Add 8/63 and 18/98

8/63 + 18/98 is 137/441.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 98 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 63 × 14 = 882,
   8/63 = 8 × 14/63 × 14 = 112/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   18/98 = 18 × 9/98 × 9 = 162/882
4. Add the two like fractions:
   112/882 + 162/882 = 112 + 162/882 = 274/882
5. 274/882 simplified gives 137/441
6. So, 8/63 + 18/98 = 137/441

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