Add 36/20 and 21/6
1st number: 1 16/20, 2nd number: 3 3/6
36/20 + 21/6 is 53/10.
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,
36/20 = 36 × 3/20 × 3 = 108/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
21/6 = 21 × 10/6 × 10 = 210/60 - Add the two like fractions:
108/60 + 210/60 = 108 + 210/60 = 318/60 - 318/60 simplified gives 53/10
- So, 36/20 + 21/6 = 53/10
In mixed form: 53/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20+21/6 36/20+42/6 36/40+21/6 36/20+21/12 36/20+63/6 36/60+21/6 36/20+21/18 36/20+21/30 36/20+21/42