Subtract 35/75 from 4/20
4/20 - 35/75 is -4/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 20 × 15 = 300,
4/20 = 4 × 15/20 × 15 = 60/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
35/75 = 35 × 4/75 × 4 = 140/300 - Subtract the two like fractions:
60/300 - 140/300 = 60 - 140/300 = -80/300 - After reducing the fraction, the answer is -4/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/20-35/75 4/20-70/75 4/40-35/75 12/20-35/75 4/60-35/75 28/20-35/75