Subtract 6/75 from 7/18
7/18 - 6/75 is 139/450.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
7/18 = 7 × 25/18 × 25 = 175/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
6/75 = 6 × 6/75 × 6 = 36/450 - Subtract the two like fractions:
175/450 - 36/450 = 175 - 36/450 = 139/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/18-6/75 7/18-12/75 7/36-6/75 21/18-6/75 7/18-18/75 7/54-6/75 35/18-6/75 7/18-30/75 7/90-6/75 49/18-6/75 7/18-42/75