Subtract 36/75 from 20/30
20/30 - 36/75 is 14/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
20/30 = 20 × 5/30 × 5 = 100/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
36/75 = 36 × 2/75 × 2 = 72/150 - Subtract the two like fractions:
100/150 - 72/150 = 100 - 72/150 = 28/150 - After reducing the fraction, the answer is 14/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/30-36/75 20/30-72/75 20/60-36/75 60/30-36/75 20/90-36/75