Subtract 28/63 from 7/25
7/25 - 28/63 is -37/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 25 × 63 = 1575,
7/25 = 7 × 63/25 × 63 = 441/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
28/63 = 28 × 25/63 × 25 = 700/1575 - Subtract the two like fractions:
441/1575 - 700/1575 = 441 - 700/1575 = -259/1575 - After reducing the fraction, the answer is -37/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/25-28/63 7/25-56/63 7/50-28/63 21/25-28/63 7/25-84/63 7/75-28/63 35/25-28/63 49/25-28/63