Add 72/12 and 15/5
1st number: 6 0/12, 2nd number: 3 0/5
72/12 + 15/5 is 9/1.
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,
15/5 = 15 × 12/5 × 12 = 180/60 - Add the two like fractions:
360/60 + 180/60 = 360 + 180/60 = 540/60 - 540/60 simplified gives 9/1
- So, 72/12 + 15/5 = 9/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12+30/5 72/24+15/5 72/12+15/10 72/12+45/5 72/36+15/5 72/12+75/5 72/60+15/5 72/12+15/25 72/84+15/5 72/12+15/35