Subtract 27/45 from 10/25
10/25 - 27/45 is -1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
10/25 = 10 × 9/25 × 9 = 90/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
27/45 = 27 × 5/45 × 5 = 135/225 - Subtract the two like fractions:
90/225 - 135/225 = 90 - 135/225 = -45/225 - After reducing the fraction, the answer is -1/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/25-27/45 10/25-54/45 10/50-27/45 10/25-27/90 30/25-27/45 10/25-81/45 10/75-27/45 50/25-27/45 70/25-27/45