Subtract 27/20 from 3/25
1st number: 3/25, 2nd number: 1 7/20
3/25 - 27/20 is -123/100.
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,
27/20 = 27 × 5/20 × 5 = 135/100 - Subtract the two like fractions:
12/100 - 135/100 = 12 - 135/100 = -123/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/25-27/20 3/25-54/20 3/50-27/20 3/25-27/40 9/25-27/20 3/25-81/20 3/75-27/20 3/25-27/60 15/25-27/20 21/25-27/20