Subtract 20/25 from 2/30
2/30 - 20/25 is -11/15.
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,
2/30 = 2 × 5/30 × 5 = 10/150 - Likewise, for the 2nd fraction, since 25 × 6 = 150,
20/25 = 20 × 6/25 × 6 = 120/150 - Subtract the two like fractions:
10/150 - 120/150 = 10 - 120/150 = -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: 4/30-20/25 2/30-40/25 2/60-20/25 2/30-20/50 6/30-20/25 2/30-60/25 2/90-20/25 2/30-20/75 10/30-20/25 14/30-20/25