Add 60/18 and 25/20
1st number: 3 6/18, 2nd number: 1 5/20
60/18 + 25/20 is 55/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
60/18 = 60 × 10/18 × 10 = 600/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
25/20 = 25 × 9/20 × 9 = 225/180 - Add the two like fractions:
600/180 + 225/180 = 600 + 225/180 = 825/180 - 825/180 simplified gives 55/12
- So, 60/18 + 25/20 = 55/12
In mixed form: 47/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+50/20 60/36+25/20 60/18+25/40 60/18+75/20 60/54+25/20 60/18+25/60 60/90+25/20