Subtract 35/63 from 21/75
21/75 - 35/63 is -62/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 75 × 21 = 1575,
21/75 = 21 × 21/75 × 21 = 441/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
35/63 = 35 × 25/63 × 25 = 875/1575 - Subtract the two like fractions:
441/1575 - 875/1575 = 441 - 875/1575 = -434/1575 - After reducing the fraction, the answer is -62/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/75-35/63 21/75-70/63 63/75-35/63