Subtract 75/21 from 35/75
1st number: 35/75, 2nd number: 3 12/21
35/75 - 75/21 is -326/105.
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,
35/75 = 35 × 7/75 × 7 = 245/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
75/21 = 75 × 25/21 × 25 = 1875/525 - Subtract the two like fractions:
245/525 - 1875/525 = 245 - 1875/525 = -1630/525 - After reducing the fraction, the answer is -326/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/75-75/21 35/75-75/42 35/75-75/63