Subtract 18/49 from 25/84
25/84 - 18/49 is -41/588.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
25/84 = 25 × 7/84 × 7 = 175/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
18/49 = 18 × 12/49 × 12 = 216/588 - Subtract the two like fractions:
175/588 - 216/588 = 175 - 216/588 = -41/588
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84-18/49 25/84-36/49 25/84-18/98 75/84-18/49 25/84-54/49 25/84-90/49