Answers

Add 7/90 and 18/98

7/90 + 18/98 is 1153/4410.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 98 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 90 × 49 = 4410,
   7/90 = 7 × 49/90 × 49 = 343/4410
3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
   18/98 = 18 × 45/98 × 45 = 810/4410
4. Add the two like fractions:
   343/4410 + 810/4410 = 343 + 810/4410 = 1153/4410
5. So, 7/90 + 18/98 = 1153/4410

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