Add 14/20 and 7/9
14/20 + 7/9 is 133/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
14/20 = 14 × 9/20 × 9 = 126/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
7/9 = 7 × 20/9 × 20 = 140/180 - Add the two like fractions:
126/180 + 140/180 = 126 + 140/180 = 266/180 - 266/180 simplified gives 133/90
- So, 14/20 + 7/9 = 133/90
In mixed form: 143/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/20+7/9 14/20+14/9 14/40+7/9 14/20+7/18 42/20+7/9 14/20+21/9 14/60+7/9 14/20+7/27 70/20+7/9 14/20+35/9 14/20+7/45 98/20+7/9 14/20+49/9 14/20+7/63