Subtract 14/21 from 7/75
7/75 - 14/21 is -43/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
7/75 = 7 × 7/75 × 7 = 49/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
14/21 = 14 × 25/21 × 25 = 350/525 - Subtract the two like fractions:
49/525 - 350/525 = 49 - 350/525 = -301/525 - After reducing the fraction, the answer is -43/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/75-14/21 7/75-28/21 7/75-14/42 21/75-14/21 7/75-42/21 7/75-14/63 35/75-14/21 7/75-70/21 49/75-14/21 7/75-98/21