Add 30/15 and 15/4
1st number: 2 0/15, 2nd number: 3 3/4
30/15 + 15/4 is 23/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
30/15 = 30 × 4/15 × 4 = 120/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
15/4 = 15 × 15/4 × 15 = 225/60 - Add the two like fractions:
120/60 + 225/60 = 120 + 225/60 = 345/60 - 345/60 simplified gives 23/4
- So, 30/15 + 15/4 = 23/4
In mixed form: 53/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15+15/4 30/15+30/4 30/15+15/8 90/15+15/4 30/15+45/4 30/45+15/4 30/15+15/12 30/15+75/4 30/75+15/4 30/15+15/20 30/15+15/28