Answers

Add 4/63 and 20/98

4/63 + 20/98 is 118/441.

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,
   4/63 = 4 × 14/63 × 14 = 56/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   20/98 = 20 × 9/98 × 9 = 180/882
4. Add the two like fractions:
   56/882 + 180/882 = 56 + 180/882 = 236/882
5. 236/882 simplified gives 118/441
6. So, 4/63 + 20/98 = 118/441

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