Add 90/20 and 30/6
1st number: 4 10/20, 2nd number: 5 0/6
90/20 + 30/6 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 6 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
90/20 = 90 × 3/20 × 3 = 270/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
30/6 = 30 × 10/6 × 10 = 300/60 - Add the two like fractions:
270/60 + 300/60 = 270 + 300/60 = 570/60 - 570/60 simplified gives 19/2
- So, 90/20 + 30/6 = 19/2
In mixed form: 91/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+60/6 90/40+30/6 90/20+30/12 90/20+90/6 90/60+30/6 90/20+30/18 90/20+30/42