Add 90/3 and 20/12
1st number: 30 0/3, 2nd number: 1 8/12
90/3 + 20/12 is 95/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
90/3 = 90 × 4/3 × 4 = 360/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
20/12 = 20 × 1/12 × 1 = 20/12 - Add the two like fractions:
360/12 + 20/12 = 360 + 20/12 = 380/12 - 380/12 simplified gives 95/3
- So, 90/3 + 20/12 = 95/3
In mixed form: 312/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3+40/12 90/6+20/12 90/3+20/24 90/3+60/12 90/9+20/12 90/3+20/36 90/15+20/12 90/3+20/60 90/21+20/12 90/3+20/84