Add 30/20 and 4/9
1st number: 1 10/20, 2nd number: 4/9
30/20 + 4/9 is 35/18.
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,
30/20 = 30 × 9/20 × 9 = 270/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
4/9 = 4 × 20/9 × 20 = 80/180 - Add the two like fractions:
270/180 + 80/180 = 270 + 80/180 = 350/180 - 350/180 simplified gives 35/18
- So, 30/20 + 4/9 = 35/18
In mixed form: 117/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+4/9 30/20+8/9 30/40+4/9 30/20+4/18 90/20+4/9 30/20+12/9 30/60+4/9 30/20+4/27 30/20+20/9 30/20+4/45 30/20+28/9 30/20+4/63