Add 72/12 and 27/30
1st number: 6 0/12, 2nd number: 27/30
72/12 + 27/30 is 69/10.
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,
72/12 = 72 × 5/12 × 5 = 360/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
27/30 = 27 × 2/30 × 2 = 54/60 - Add the two like fractions:
360/60 + 54/60 = 360 + 54/60 = 414/60 - 414/60 simplified gives 69/10
- So, 72/12 + 27/30 = 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: 72/12+54/30 72/24+27/30 72/12+27/60 72/12+81/30 72/36+27/30 72/12+27/90 72/60+27/30 72/84+27/30