Answers

Add 18/98 and 54/90

18/98 + 54/90 is 192/245.

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,
   18/98 = 18 × 45/98 × 45 = 810/4410
3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
   54/90 = 54 × 49/90 × 49 = 2646/4410
4. Add the two like fractions:
   810/4410 + 2646/4410 = 810 + 2646/4410 = 3456/4410
5. 3456/4410 simplified gives 192/245
6. So, 18/98 + 54/90 = 192/245

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ³⁶/₉₈+⁵⁴/₉₀ ⁵⁴/₉₈+⁵⁴/₉₀ ⁹⁰/₉₈+⁵⁴/₉₀

Add Fractions Calculator