Add 90/28 and 98/27
1st number: 3 6/28, 2nd number: 3 17/27
90/28 + 98/27 is 2587/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
90/28 = 90 × 27/28 × 27 = 2430/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
98/27 = 98 × 28/27 × 28 = 2744/756 - Add the two like fractions:
2430/756 + 2744/756 = 2430 + 2744/756 = 5174/756 - 5174/756 simplified gives 2587/378
- So, 90/28 + 98/27 = 2587/378
In mixed form: 6319/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56+98/27 90/28+98/54 90/84+98/27 90/28+98/81