Subtract 15/25 from 5/45
5/45 - 15/25 is -22/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 45 × 5 = 225,
5/45 = 5 × 5/45 × 5 = 25/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
15/25 = 15 × 9/25 × 9 = 135/225 - Subtract the two like fractions:
25/225 - 135/225 = 25 - 135/225 = -110/225 - After reducing the fraction, the answer is -22/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45-15/25 5/45-30/25 5/90-15/25 5/45-15/50 15/45-15/25 5/45-45/25 5/45-15/75 25/45-15/25 5/45-75/25 35/45-15/25