Answers

Add 3/42 and 18/98

3/42 + 18/98 is 25/98.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 98 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 42 × 7 = 294,
   3/42 = 3 × 7/42 × 7 = 21/294
3. Likewise, for the 2nd fraction, since 98 × 3 = 294,
   18/98 = 18 × 3/98 × 3 = 54/294
4. Add the two like fractions:
   21/294 + 54/294 = 21 + 54/294 = 75/294
5. 75/294 simplified gives 25/98
6. So, 3/42 + 18/98 = 25/98

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