Answers

Add 45/98 and 18/70

45/98 + 18/70 is 351/490.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 70 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 98 × 5 = 490,
   45/98 = 45 × 5/98 × 5 = 225/490
3. Likewise, for the 2nd fraction, since 70 × 7 = 490,
   18/70 = 18 × 7/70 × 7 = 126/490
4. Add the two like fractions:
   225/490 + 126/490 = 225 + 126/490 = 351/490
5. So, 45/98 + 18/70 = 351/490

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