Add 15/45 and 75/60
1st number: 15/45, 2nd number: 1 15/60
15/45 + 75/60 is 19/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
15/45 = 15 × 4/45 × 4 = 60/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
75/60 = 75 × 3/60 × 3 = 225/180 - Add the two like fractions:
60/180 + 225/180 = 60 + 225/180 = 285/180 - 285/180 simplified gives 19/12
- So, 15/45 + 75/60 = 19/12
In mixed form: 17/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/45+75/60 15/90+75/60 75/45+75/60