Add 81/12 and 9/60
1st number: 6 9/12, 2nd number: 9/60
81/12 + 9/60 is 69/10.
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,
81/12 = 81 × 5/12 × 5 = 405/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
9/60 = 9 × 1/60 × 1 = 9/60 - Add the two like fractions:
405/60 + 9/60 = 405 + 9/60 = 414/60 - 414/60 simplified gives 69/10
- So, 81/12 + 9/60 = 69/10
In mixed form: 69/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/12+18/60 81/24+9/60 81/12+27/60 81/36+9/60 81/12+45/60 81/60+9/60 81/12+63/60 81/84+9/60