Answers

Add 28/63 and 16/98

28/63 + 16/98 is 268/441.

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,
   28/63 = 28 × 14/63 × 14 = 392/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   16/98 = 16 × 9/98 × 9 = 144/882
4. Add the two like fractions:
   392/882 + 144/882 = 392 + 144/882 = 536/882
5. 536/882 simplified gives 268/441
6. So, 28/63 + 16/98 = 268/441

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