Add 3/40 and 20/5
1st number: 3/40, 2nd number: 4 0/5
3/40 + 20/5 is 163/40.
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,
3/40 = 3 × 1/40 × 1 = 3/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
20/5 = 20 × 8/5 × 8 = 160/40 - Add the two like fractions:
3/40 + 160/40 = 3 + 160/40 = 163/40 - So, 3/40 + 20/5 = 163/40
In mixed form: 43/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/40+20/5 3/40+40/5 3/80+20/5 3/40+20/10 9/40+20/5 3/40+60/5 3/40+20/15 15/40+20/5 3/40+20/25 21/40+20/5 3/40+20/35