Add 30/20 and 10/18
1st number: 1 10/20, 2nd number: 10/18
30/20 + 10/18 is 37/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 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 18 × 10 = 180,
10/18 = 10 × 10/18 × 10 = 100/180 - Add the two like fractions:
270/180 + 100/180 = 270 + 100/180 = 370/180 - 370/180 simplified gives 37/18
- So, 30/20 + 10/18 = 37/18
In mixed form: 21/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+10/18 30/20+20/18 30/40+10/18 30/20+10/36 90/20+10/18 30/20+30/18 30/60+10/18 30/20+10/54 30/20+50/18 30/20+10/90 30/20+70/18