Answers

Add 27/98 and 45/70

27/98 + 45/70 is 45/49.

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,
   27/98 = 27 × 5/98 × 5 = 135/490
3. Likewise, for the 2nd fraction, since 70 × 7 = 490,
   45/70 = 45 × 7/70 × 7 = 315/490
4. Add the two like fractions:
   135/490 + 315/490 = 135 + 315/490 = 450/490
5. 450/490 simplified gives 45/49
6. So, 27/98 + 45/70 = 45/49

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