Answers

Add 15/70 and 45/98

15/70 + 45/98 is 33/49.

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,
   15/70 = 15 × 7/70 × 7 = 105/490
3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
   45/98 = 45 × 5/98 × 5 = 225/490
4. Add the two like fractions:
   105/490 + 225/490 = 105 + 225/490 = 330/490
5. 330/490 simplified gives 33/49
6. So, 15/70 + 45/98 = 33/49

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