Add 4/3 and 45/20
1st number: 1 1/3, 2nd number: 2 5/20
4/3 + 45/20 is 43/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
4/3 = 4 × 20/3 × 20 = 80/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
45/20 = 45 × 3/20 × 3 = 135/60 - Add the two like fractions:
80/60 + 135/60 = 80 + 135/60 = 215/60 - 215/60 simplified gives 43/12
- So, 4/3 + 45/20 = 43/12
In mixed form: 37/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/3+45/20 4/3+90/20 4/6+45/20 4/3+45/40 12/3+45/20 4/9+45/20 4/3+45/60 20/3+45/20 4/15+45/20 28/3+45/20 4/21+45/20