Subtract 20/35 from 3/75
3/75 - 20/35 is -93/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 35 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
3/75 = 3 × 7/75 × 7 = 21/525 - Likewise, for the 2nd fraction, since 35 × 15 = 525,
20/35 = 20 × 15/35 × 15 = 300/525 - Subtract the two like fractions:
21/525 - 300/525 = 21 - 300/525 = -279/525 - After reducing the fraction, the answer is -93/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/75-20/35 3/75-40/35 3/75-20/70 9/75-20/35 3/75-60/35 15/75-20/35 21/75-20/35