Add 72/12 and 18/5
1st number: 6 0/12, 2nd number: 3 3/5
72/12 + 18/5 is 48/5.
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,
18/5 = 18 × 12/5 × 12 = 216/60 - Add the two like fractions:
360/60 + 216/60 = 360 + 216/60 = 576/60 - 576/60 simplified gives 48/5
- So, 72/12 + 18/5 = 48/5
In mixed form: 93/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12+36/5 72/24+18/5 72/12+18/10 72/12+54/5 72/36+18/5 72/12+18/15 72/12+90/5 72/60+18/5 72/12+18/25 72/84+18/5 72/12+18/35