Subtract 56/75 from 5/45
5/45 - 56/75 is -143/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 75 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 45 × 5 = 225,
5/45 = 5 × 5/45 × 5 = 25/225 - Likewise, for the 2nd fraction, since 75 × 3 = 225,
56/75 = 56 × 3/75 × 3 = 168/225 - Subtract the two like fractions:
25/225 - 168/225 = 25 - 168/225 = -143/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45-56/75 5/90-56/75 15/45-56/75 25/45-56/75 35/45-56/75