Subtract 18/25 from 5/9
5/9 - 18/25 is -37/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 9 × 25 = 225,
5/9 = 5 × 25/9 × 25 = 125/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
18/25 = 18 × 9/25 × 9 = 162/225 - Subtract the two like fractions:
125/225 - 162/225 = 125 - 162/225 = -37/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/9-18/25 5/9-36/25 5/18-18/25 5/9-18/50 15/9-18/25 5/9-54/25 5/27-18/25 5/9-18/75 25/9-18/25 5/9-90/25 5/45-18/25 35/9-18/25 5/63-18/25