Add 80/12 and 81/60
1st number: 6 8/12, 2nd number: 1 21/60
80/12 + 81/60 is 481/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 60 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 60 × 1 = 60,
81/60 = 81 × 1/60 × 1 = 81/60 - Add the two like fractions:
400/60 + 81/60 = 400 + 81/60 = 481/60 - So, 80/12 + 81/60 = 481/60
In mixed form: 81/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/24+81/60 80/36+81/60 80/60+81/60 80/84+81/60