Subtract 24/84 from 18/75
18/75 - 24/84 is -8/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
18/75 = 18 × 28/75 × 28 = 504/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
24/84 = 24 × 25/84 × 25 = 600/2100 - Subtract the two like fractions:
504/2100 - 600/2100 = 504 - 600/2100 = -96/2100 - After reducing the fraction, the answer is -8/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/75-24/84 18/75-48/84 54/75-24/84 18/75-72/84 90/75-24/84