Add 45/18 and 80/98
1st number: 2 9/18, 2nd number: 80/98
45/18 + 80/98 is 325/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 98 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 18 × 49 = 882,
45/18 = 45 × 49/18 × 49 = 2205/882 - Likewise, for the 2nd fraction, since 98 × 9 = 882,
80/98 = 80 × 9/98 × 9 = 720/882 - Add the two like fractions:
2205/882 + 720/882 = 2205 + 720/882 = 2925/882 - 2925/882 simplified gives 325/98
- So, 45/18 + 80/98 = 325/98
In mixed form: 331/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18+80/98 45/36+80/98 45/54+80/98 45/90+80/98