Subtract 1/20 from 8/25
8/25 - 1/20 is 27/100.
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,
8/25 = 8 × 4/25 × 4 = 32/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
1/20 = 1 × 5/20 × 5 = 5/100 - Subtract the two like fractions:
32/100 - 5/100 = 32 - 5/100 = 27/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/25-1/20 8/25-2/20 8/50-1/20 8/25-1/40 24/25-1/20 8/25-3/20 8/75-1/20 8/25-1/60 40/25-1/20 8/25-5/20 56/25-1/20 8/25-7/20