Add 45/9 and 3/20
1st number: 5 0/9, 2nd number: 3/20
45/9 + 3/20 is 103/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
45/9 = 45 × 20/9 × 20 = 900/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
3/20 = 3 × 9/20 × 9 = 27/180 - Add the two like fractions:
900/180 + 27/180 = 900 + 27/180 = 927/180 - 927/180 simplified gives 103/20
- So, 45/9 + 3/20 = 103/20
In mixed form: 53/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9+3/20 45/9+6/20 45/18+3/20 45/9+3/40 45/9+9/20 45/27+3/20 45/9+3/60 45/9+15/20 45/9+21/20 45/63+3/20