Add 75/40 and 28/20
1st number: 1 35/40, 2nd number: 1 8/20
75/40 + 28/20 is 131/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
75/40 = 75 × 1/40 × 1 = 75/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
28/20 = 28 × 2/20 × 2 = 56/40 - Add the two like fractions:
75/40 + 56/40 = 75 + 56/40 = 131/40 - So, 75/40 + 28/20 = 131/40
In mixed form: 311/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/40+56/20 75/80+28/20 75/40+28/40 75/40+84/20 75/40+28/60