Add 30/2 and 60/80
1st number: 15 0/2, 2nd number: 60/80
30/2 + 60/80 is 63/4.
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,
60/80 = 60 × 1/80 × 1 = 60/80 - Add the two like fractions:
1200/80 + 60/80 = 1200 + 60/80 = 1260/80 - 1260/80 simplified gives 63/4
- So, 30/2 + 60/80 = 63/4
In mixed form: 153/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2+60/80 30/4+60/80 90/2+60/80 30/6+60/80 30/10+60/80 30/14+60/80