Add 18/60 and 28/20
1st number: 18/60, 2nd number: 1 8/20
18/60 + 28/20 is 17/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 20 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 20 × 3 = 60,
28/20 = 28 × 3/20 × 3 = 84/60 - Add the two like fractions:
18/60 + 84/60 = 18 + 84/60 = 102/60 - 102/60 simplified gives 17/10
- So, 18/60 + 28/20 = 17/10
In mixed form: 17/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/60+28/20 18/60+56/20 18/60+28/40 54/60+28/20 18/60+84/20 18/60+28/60 90/60+28/20