Add 1/40 and 28/5
1st number: 1/40, 2nd number: 5 3/5
1/40 + 28/5 is 45/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
1/40 = 1 × 1/40 × 1 = 1/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
28/5 = 28 × 8/5 × 8 = 224/40 - Add the two like fractions:
1/40 + 224/40 = 1 + 224/40 = 225/40 - 225/40 simplified gives 45/8
- So, 1/40 + 28/5 = 45/8
In mixed form: 55/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/40+28/5 1/40+56/5 1/80+28/5 1/40+28/10 3/40+28/5 1/40+84/5 1/40+28/15 5/40+28/5 1/40+28/25 7/40+28/5 1/40+28/35