Subtract 10/21 from 6/75
6/75 - 10/21 is -208/525.
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,
6/75 = 6 × 7/75 × 7 = 42/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
10/21 = 10 × 25/21 × 25 = 250/525 - Subtract the two like fractions:
42/525 - 250/525 = 42 - 250/525 = -208/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/75-10/21 6/75-20/21 6/75-10/42 18/75-10/21 6/75-30/21 6/75-10/63 30/75-10/21 6/75-50/21 42/75-10/21 6/75-70/21