Add 18/60 and 80/30
1st number: 18/60, 2nd number: 2 20/30
18/60 + 80/30 is 89/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
18/60 = 18 × 1/60 × 1 = 18/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
80/30 = 80 × 2/30 × 2 = 160/60 - Add the two like fractions:
18/60 + 160/60 = 18 + 160/60 = 178/60 - 178/60 simplified gives 89/30
- So, 18/60 + 80/30 = 89/30
In mixed form: 229/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/60+80/30 18/60+80/60 54/60+80/30 18/60+80/90 90/60+80/30