Subtract 5/45 from 3/75
3/75 - 5/45 is -16/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
3/75 = 3 × 3/75 × 3 = 9/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
5/45 = 5 × 5/45 × 5 = 25/225 - Subtract the two like fractions:
9/225 - 25/225 = 9 - 25/225 = -16/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/75-5/45 3/75-10/45 3/75-5/90 9/75-5/45 3/75-15/45 15/75-5/45 3/75-25/45 21/75-5/45 3/75-35/45