Subtract 45/20 from 8/25
1st number: 8/25, 2nd number: 2 5/20
8/25 - 45/20 is -193/100.
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,
45/20 = 45 × 5/20 × 5 = 225/100 - Subtract the two like fractions:
32/100 - 225/100 = 32 - 225/100 = -193/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/25-45/20 8/25-90/20 8/50-45/20 8/25-45/40 24/25-45/20 8/75-45/20 8/25-45/60 40/25-45/20 56/25-45/20