Subtract 1/15 from 18/75
18/75 - 1/15 is 13/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 15 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 75 × 1 = 75,
18/75 = 18 × 1/75 × 1 = 18/75 - Likewise, for the 2nd fraction, since 15 × 5 = 75,
1/15 = 1 × 5/15 × 5 = 5/75 - Subtract the two like fractions:
18/75 - 5/75 = 18 - 5/75 = 13/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/75-1/15 18/75-2/15 18/75-1/30 54/75-1/15 18/75-3/15 18/75-1/45 90/75-1/15 18/75-5/15 18/75-1/75 18/75-7/15