Add 18/40 and 36/4
1st number: 18/40, 2nd number: 9 0/4
18/40 + 36/4 is 189/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 4 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
18/40 = 18 × 1/40 × 1 = 18/40 - Likewise, for the 2nd fraction, since 4 × 10 = 40,
36/4 = 36 × 10/4 × 10 = 360/40 - Add the two like fractions:
18/40 + 360/40 = 18 + 360/40 = 378/40 - 378/40 simplified gives 189/20
- So, 18/40 + 36/4 = 189/20
In mixed form: 99/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/40+36/4 18/40+72/4 18/80+36/4 18/40+36/8 54/40+36/4 18/40+36/12 90/40+36/4 18/40+36/20 18/40+36/28