Add 30/20 and 9/5
1st number: 1 10/20, 2nd number: 1 4/5
30/20 + 9/5 is 33/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
30/20 = 30 × 1/20 × 1 = 30/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
9/5 = 9 × 4/5 × 4 = 36/20 - Add the two like fractions:
30/20 + 36/20 = 30 + 36/20 = 66/20 - 66/20 simplified gives 33/10
- So, 30/20 + 9/5 = 33/10
In mixed form: 33/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+9/5 30/20+18/5 30/40+9/5 30/20+9/10 90/20+9/5 30/20+27/5 30/60+9/5 30/20+9/15 30/20+45/5 30/20+9/25 30/20+63/5 30/20+9/35