Add 15/12 and 15/60
1st number: 1 3/12, 2nd number: 15/60
15/12 + 15/60 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
15/12 = 15 × 5/12 × 5 = 75/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
15/60 = 15 × 1/60 × 1 = 15/60 - Add the two like fractions:
75/60 + 15/60 = 75 + 15/60 = 90/60 - 90/60 simplified gives 3/2
- So, 15/12 + 15/60 = 3/2
In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12+15/60 15/12+30/60 15/24+15/60 45/12+15/60 15/12+45/60 15/36+15/60 75/12+15/60 15/12+75/60 15/60+15/60 15/84+15/60