Subtract 5/50 from 18/36
18/36 - 5/50 is 2/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 50 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 36 × 25 = 900,
18/36 = 18 × 25/36 × 25 = 450/900 - Likewise, for the 2nd fraction, since 50 × 18 = 900,
5/50 = 5 × 18/50 × 18 = 90/900 - Subtract the two like fractions:
450/900 - 90/900 = 450 - 90/900 = 360/900 - After reducing the fraction, the answer is 2/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/36-10/50 18/72-5/50 54/36-5/50 18/36-15/50 90/36-5/50 18/36-25/50 18/36-35/50