Add 72/12 and 1/5
1st number: 6 0/12, 2nd number: 1/5
72/12 + 1/5 is 31/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 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 5 × 12 = 60,
1/5 = 1 × 12/5 × 12 = 12/60 - Add the two like fractions:
360/60 + 12/60 = 360 + 12/60 = 372/60 - 372/60 simplified gives 31/5
- So, 72/12 + 1/5 = 31/5
In mixed form: 61/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12+2/5 72/24+1/5 72/12+1/10 72/12+3/5 72/36+1/5 72/12+1/15 72/60+1/5 72/12+1/25 72/12+7/5 72/84+1/5 72/12+1/35