Add 45/40 and 28/10
1st number: 1 5/40, 2nd number: 2 8/10
45/40 + 28/10 is 157/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
45/40 = 45 × 1/40 × 1 = 45/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
28/10 = 28 × 4/10 × 4 = 112/40 - Add the two like fractions:
45/40 + 112/40 = 45 + 112/40 = 157/40 - So, 45/40 + 28/10 = 157/40
In mixed form: 337/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40+28/10 45/40+56/10 45/80+28/10 45/40+28/20 45/40+84/10 45/40+28/30 45/40+28/50 45/40+28/70