Add 80/18 and 14/90
1st number: 4 8/18, 2nd number: 14/90
80/18 + 14/90 is 23/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
80/18 = 80 × 5/18 × 5 = 400/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
14/90 = 14 × 1/90 × 1 = 14/90 - Add the two like fractions:
400/90 + 14/90 = 400 + 14/90 = 414/90 - 414/90 simplified gives 23/5
- So, 80/18 + 14/90 = 23/5
In mixed form: 43/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+28/90 80/36+14/90 80/18+42/90 80/54+14/90 80/18+70/90 80/90+14/90 80/18+98/90