Add 60/40 and 4/18
1st number: 1 20/40, 2nd number: 4/18
60/40 + 4/18 is 31/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
60/40 = 60 × 9/40 × 9 = 540/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
4/18 = 4 × 20/18 × 20 = 80/360 - Add the two like fractions:
540/360 + 80/360 = 540 + 80/360 = 620/360 - 620/360 simplified gives 31/18
- So, 60/40 + 4/18 = 31/18
In mixed form: 113/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40+8/18 60/80+4/18 60/40+4/36 60/40+12/18 60/40+4/54 60/40+20/18 60/40+4/90 60/40+28/18