Subtract 4/12 from 18/75
18/75 - 4/12 is -7/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
18/75 = 18 × 4/75 × 4 = 72/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
4/12 = 4 × 25/12 × 25 = 100/300 - Subtract the two like fractions:
72/300 - 100/300 = 72 - 100/300 = -28/300 - After reducing the fraction, the answer is -7/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/75-4/12 18/75-8/12 18/75-4/24 54/75-4/12 18/75-4/36 90/75-4/12 18/75-20/12 18/75-4/60 18/75-28/12 18/75-4/84