Add 90/98 and 28/27
1st number: 90/98, 2nd number: 1 1/27
90/98 + 28/27 is 2587/1323.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 27 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 98 × 27 = 2646,
90/98 = 90 × 27/98 × 27 = 2430/2646 - Likewise, for the 2nd fraction, since 27 × 98 = 2646,
28/27 = 28 × 98/27 × 98 = 2744/2646 - Add the two like fractions:
2430/2646 + 2744/2646 = 2430 + 2744/2646 = 5174/2646 - 5174/2646 simplified gives 2587/1323
- So, 90/98 + 28/27 = 2587/1323
In mixed form: 11264/1323
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/98+56/27 90/98+28/54 90/98+84/27 90/98+28/81