Subtract 10/75 from 14/21
14/21 - 10/75 is 8/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 75 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
14/21 = 14 × 25/21 × 25 = 350/525 - Likewise, for the 2nd fraction, since 75 × 7 = 525,
10/75 = 10 × 7/75 × 7 = 70/525 - Subtract the two like fractions:
350/525 - 70/525 = 350 - 70/525 = 280/525 - After reducing the fraction, the answer is 8/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/21-10/75 14/21-20/75 14/42-10/75 42/21-10/75 14/21-30/75 14/63-10/75 70/21-10/75 14/21-50/75 98/21-10/75 14/21-70/75