Add 90/6 and 30/12
1st number: 15 0/6, 2nd number: 2 6/12
90/6 + 30/12 is 35/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
90/6 = 90 × 2/6 × 2 = 180/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
30/12 = 30 × 1/12 × 1 = 30/12 - Add the two like fractions:
180/12 + 30/12 = 180 + 30/12 = 210/12 - 210/12 simplified gives 35/2
- So, 90/6 + 30/12 = 35/2
In mixed form: 171/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6+60/12 90/12+30/12 90/6+30/24 90/6+90/12 90/18+30/12 90/6+30/36 90/30+30/12 90/6+30/60 90/42+30/12 90/6+30/84