Subtract 4/25 from 20/30
20/30 - 4/25 is 38/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 25 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 25 × 6 = 150,
4/25 = 4 × 6/25 × 6 = 24/150 - Subtract the two like fractions:
100/150 - 24/150 = 100 - 24/150 = 76/150 - After reducing the fraction, the answer is 38/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/30-4/25 20/30-8/25 20/60-4/25 20/30-4/50 60/30-4/25 20/30-12/25 20/90-4/25 20/30-4/75 20/30-20/25 20/30-28/25