Subtract 14/75 from 20/21
20/21 - 14/75 is 134/175.
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,
20/21 = 20 × 25/21 × 25 = 500/525 - Likewise, for the 2nd fraction, since 75 × 7 = 525,
14/75 = 14 × 7/75 × 7 = 98/525 - Subtract the two like fractions:
500/525 - 98/525 = 500 - 98/525 = 402/525 - After reducing the fraction, the answer is 134/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/21-14/75 20/21-28/75 20/42-14/75 60/21-14/75 20/21-42/75 20/63-14/75 20/21-70/75 20/21-98/75