Add 80/12 and 2/30
1st number: 6 8/12, 2nd number: 2/30
80/12 + 2/30 is 101/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
80/12 = 80 × 5/12 × 5 = 400/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
2/30 = 2 × 2/30 × 2 = 4/60 - Add the two like fractions:
400/60 + 4/60 = 400 + 4/60 = 404/60 - 404/60 simplified gives 101/15
- So, 80/12 + 2/30 = 101/15
In mixed form: 611/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12+4/30 80/24+2/30 80/12+2/60 80/12+6/30 80/36+2/30 80/12+2/90 80/12+10/30 80/60+2/30 80/12+14/30 80/84+2/30