Add 30/2 and 15/80
1st number: 15 0/2, 2nd number: 15/80
30/2 + 15/80 is 243/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
30/2 = 30 × 40/2 × 40 = 1200/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
15/80 = 15 × 1/80 × 1 = 15/80 - Add the two like fractions:
1200/80 + 15/80 = 1200 + 15/80 = 1215/80 - 1215/80 simplified gives 243/16
- So, 30/2 + 15/80 = 243/16
In mixed form: 153/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2+15/80 30/2+30/80 30/4+15/80 90/2+15/80 30/2+45/80 30/6+15/80 30/2+75/80 30/10+15/80 30/14+15/80