Add 98/90 and 80/9
1st number: 1 8/90, 2nd number: 8 8/9
98/90 + 80/9 is 449/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
98/90 = 98 × 1/90 × 1 = 98/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
80/9 = 80 × 10/9 × 10 = 800/90 - Add the two like fractions:
98/90 + 800/90 = 98 + 800/90 = 898/90 - 898/90 simplified gives 449/45
- So, 98/90 + 80/9 = 449/45
In mixed form: 944/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/90+80/18 98/90+80/27 98/90+80/45 98/90+80/63