Subtract 18/75 from 1/12
1/12 - 18/75 is -47/300.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
1/12 = 1 × 25/12 × 25 = 25/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
18/75 = 18 × 4/75 × 4 = 72/300 - Subtract the two like fractions:
25/300 - 72/300 = 25 - 72/300 = -47/300
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/12-18/75 1/12-36/75 1/24-18/75 3/12-18/75 1/12-54/75 1/36-18/75 5/12-18/75 1/12-90/75 1/60-18/75 7/12-18/75 1/84-18/75