Answers

Add 15/98 and 45/90

15/98 + 45/90 is 32/49.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 90 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 98 × 45 = 4410,
   15/98 = 15 × 45/98 × 45 = 675/4410
3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
   45/90 = 45 × 49/90 × 49 = 2205/4410
4. Add the two like fractions:
   675/4410 + 2205/4410 = 675 + 2205/4410 = 2880/4410
5. 2880/4410 simplified gives 32/49
6. So, 15/98 + 45/90 = 32/49

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