Answers

Add 10/98 and 54/90

10/98 + 54/90 is 172/245.

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,
   10/98 = 10 × 45/98 × 45 = 450/4410
3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
   54/90 = 54 × 49/90 × 49 = 2646/4410
4. Add the two like fractions:
   450/4410 + 2646/4410 = 450 + 2646/4410 = 3096/4410
5. 3096/4410 simplified gives 172/245
6. So, 10/98 + 54/90 = 172/245

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