Subtract 45/20 from 3/25
1st number: 3/25, 2nd number: 2 5/20
3/25 - 45/20 is -213/100.
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,
45/20 = 45 × 5/20 × 5 = 225/100 - Subtract the two like fractions:
12/100 - 225/100 = 12 - 225/100 = -213/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/25-45/20 3/25-90/20 3/50-45/20 3/25-45/40 9/25-45/20 3/75-45/20 3/25-45/60 15/25-45/20 21/25-45/20