Add 12/30 and 80/60
1st number: 12/30, 2nd number: 1 20/60
12/30 + 80/60 is 26/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
12/30 = 12 × 2/30 × 2 = 24/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
80/60 = 80 × 1/60 × 1 = 80/60 - Add the two like fractions:
24/60 + 80/60 = 24 + 80/60 = 104/60 - 104/60 simplified gives 26/15
- So, 12/30 + 80/60 = 26/15
In mixed form: 111/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/30+80/60 12/60+80/60 36/30+80/60 12/90+80/60 60/30+80/60 84/30+80/60