Subtract 16/35 from 20/75
20/75 - 16/35 is -4/21.
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,
20/75 = 20 × 7/75 × 7 = 140/525 - Likewise, for the 2nd fraction, since 35 × 15 = 525,
16/35 = 16 × 15/35 × 15 = 240/525 - Subtract the two like fractions:
140/525 - 240/525 = 140 - 240/525 = -100/525 - After reducing the fraction, the answer is -4/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75-16/35 20/75-32/35 20/75-16/70 60/75-16/35 20/75-48/35 20/75-80/35