Add 80/60 and 14/90
1st number: 1 20/60, 2nd number: 14/90
80/60 + 14/90 is 67/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
80/60 = 80 × 3/60 × 3 = 240/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
14/90 = 14 × 2/90 × 2 = 28/180 - Add the two like fractions:
240/180 + 28/180 = 240 + 28/180 = 268/180 - 268/180 simplified gives 67/45
- So, 80/60 + 14/90 = 67/45
In mixed form: 122/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/60+28/90 80/60+42/90 80/60+70/90 80/60+98/90