Answers

Add 18/70 and 5/98

18/70 + 5/98 is 151/490.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 98 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 70 × 7 = 490,
   18/70 = 18 × 7/70 × 7 = 126/490
3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
   5/98 = 5 × 5/98 × 5 = 25/490
4. Add the two like fractions:
   126/490 + 25/490 = 126 + 25/490 = 151/490
5. So, 18/70 + 5/98 = 151/490

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