Add 60/20 and 21/6
1st number: 3 0/20, 2nd number: 3 3/6
60/20 + 21/6 is 13/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 6 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
60/20 = 60 × 3/20 × 3 = 180/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
21/6 = 21 × 10/6 × 10 = 210/60 - Add the two like fractions:
180/60 + 210/60 = 180 + 210/60 = 390/60 - 390/60 simplified gives 13/2
- So, 60/20 + 21/6 = 13/2
In mixed form: 61/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+42/6 60/40+21/6 60/20+21/12 60/20+63/6 60/20+21/18 60/20+21/30 60/20+21/42