Add 30/20 and 6/90
1st number: 1 10/20, 2nd number: 6/90
30/20 + 6/90 is 47/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 90 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 90 × 2 = 180,
6/90 = 6 × 2/90 × 2 = 12/180 - Add the two like fractions:
270/180 + 12/180 = 270 + 12/180 = 282/180 - 282/180 simplified gives 47/30
- So, 30/20 + 6/90 = 47/30
In mixed form: 117/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+6/90 30/20+12/90 30/40+6/90 90/20+6/90 30/20+18/90 30/60+6/90 30/20+30/90 30/20+42/90