Add 60/12 and 81/30
1st number: 5 0/12, 2nd number: 2 21/30
60/12 + 81/30 is 77/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
60/12 = 60 × 5/12 × 5 = 300/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
81/30 = 81 × 2/30 × 2 = 162/60 - Add the two like fractions:
300/60 + 162/60 = 300 + 162/60 = 462/60 - 462/60 simplified gives 77/10
- So, 60/12 + 81/30 = 77/10
In mixed form: 77/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/24+81/30 60/12+81/60 60/36+81/30 60/12+81/90 60/84+81/30