Add 27/5 and 80/12
1st number: 5 2/5, 2nd number: 6 8/12
27/5 + 80/12 is 181/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
27/5 = 27 × 12/5 × 12 = 324/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
80/12 = 80 × 5/12 × 5 = 400/60 - Add the two like fractions:
324/60 + 400/60 = 324 + 400/60 = 724/60 - 724/60 simplified gives 181/15
- So, 27/5 + 80/12 = 181/15
In mixed form: 121/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/5+80/12 27/10+80/12 27/5+80/24 81/5+80/12 27/15+80/12 27/5+80/36 27/25+80/12 27/5+80/60 27/35+80/12 27/5+80/84