Add 80/30 and 5/12
1st number: 2 20/30, 2nd number: 5/12
80/30 + 5/12 is 37/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
80/30 = 80 × 2/30 × 2 = 160/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
5/12 = 5 × 5/12 × 5 = 25/60 - Add the two like fractions:
160/60 + 25/60 = 160 + 25/60 = 185/60 - 185/60 simplified gives 37/12
- So, 80/30 + 5/12 = 37/12
In mixed form: 31/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+10/12 80/60+5/12 80/30+5/24 80/30+15/12 80/90+5/12 80/30+5/36 80/30+25/12 80/30+5/60 80/30+35/12 80/30+5/84