Add 18/40 and 36/24
1st number: 18/40, 2nd number: 1 12/24
18/40 + 36/24 is 39/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
18/40 = 18 × 3/40 × 3 = 54/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
36/24 = 36 × 5/24 × 5 = 180/120 - Add the two like fractions:
54/120 + 180/120 = 54 + 180/120 = 234/120 - 234/120 simplified gives 39/20
- So, 18/40 + 36/24 = 39/20
In mixed form: 119/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/40+36/24 18/40+72/24 18/80+36/24 18/40+36/48 54/40+36/24 18/40+36/72 90/40+36/24