Add 15/4 and 60/18
1st number: 3 3/4, 2nd number: 3 6/18
15/4 + 60/18 is 85/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
15/4 = 15 × 9/4 × 9 = 135/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
60/18 = 60 × 2/18 × 2 = 120/36 - Add the two like fractions:
135/36 + 120/36 = 135 + 120/36 = 255/36 - 255/36 simplified gives 85/12
- So, 15/4 + 60/18 = 85/12
In mixed form: 71/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4+60/18 15/8+60/18 15/4+60/36 45/4+60/18 15/12+60/18 15/4+60/54 75/4+60/18 15/20+60/18 15/4+60/90 15/28+60/18