Add 9/20 and 3/4
9/20 + 3/4 is 6/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
9/20 = 9 × 1/20 × 1 = 9/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
3/4 = 3 × 5/4 × 5 = 15/20 - Add the two like fractions:
9/20 + 15/20 = 9 + 15/20 = 24/20 - 24/20 simplified gives 6/5
- So, 9/20 + 3/4 = 6/5
In mixed form: 11/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/20+3/4 9/20+6/4 9/40+3/4 9/20+3/8 27/20+3/4 9/20+9/4 9/60+3/4 9/20+3/12 45/20+3/4 9/20+15/4 9/20+3/20 63/20+3/4 9/20+21/4 9/20+3/28