Add 20/4 and 3/9
1st number: 5 0/4, 2nd number: 3/9
20/4 + 3/9 is 16/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
20/4 = 20 × 9/4 × 9 = 180/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
3/9 = 3 × 4/9 × 4 = 12/36 - Add the two like fractions:
180/36 + 12/36 = 180 + 12/36 = 192/36 - 192/36 simplified gives 16/3
- So, 20/4 + 3/9 = 16/3
In mixed form: 51/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/4+3/9 20/4+6/9 20/8+3/9 20/4+3/18 60/4+3/9 20/12+3/9 20/4+3/27 20/4+15/9 20/4+3/45 20/4+21/9 20/28+3/9 20/4+3/63