Subtract 2/30 from 20/25
20/25 - 2/30 is 11/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
20/25 = 20 × 6/25 × 6 = 120/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
2/30 = 2 × 5/30 × 5 = 10/150 - Subtract the two like fractions:
120/150 - 10/150 = 120 - 10/150 = 110/150 - After reducing the fraction, the answer is 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25-2/30 20/25-4/30 20/50-2/30 20/25-2/60 60/25-2/30 20/25-6/30 20/75-2/30 20/25-2/90 20/25-10/30 20/25-14/30