Subtract 1/20 from 3/25
3/25 - 1/20 is 7/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 25 × 4 = 100,
3/25 = 3 × 4/25 × 4 = 12/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
1/20 = 1 × 5/20 × 5 = 5/100 - Subtract the two like fractions:
12/100 - 5/100 = 12 - 5/100 = 7/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/25-1/20 3/25-2/20 3/50-1/20 3/25-1/40 9/25-1/20 3/25-3/20 3/75-1/20 3/25-1/60 15/25-1/20 3/25-5/20 21/25-1/20 3/25-7/20