Add 24/40 and 36/18
1st number: 24/40, 2nd number: 2 0/18
24/40 + 36/18 is 13/5.
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,
24/40 = 24 × 9/40 × 9 = 216/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
36/18 = 36 × 20/18 × 20 = 720/360 - Add the two like fractions:
216/360 + 720/360 = 216 + 720/360 = 936/360 - 936/360 simplified gives 13/5
- So, 24/40 + 36/18 = 13/5
In mixed form: 23/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/40+36/18 24/40+72/18 24/80+36/18 72/40+36/18 24/40+36/54 24/40+36/90