Subtract 20/9 from 10/25
1st number: 10/25, 2nd number: 2 2/9
10/25 - 20/9 is -82/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 9 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 9 × 25 = 225,
20/9 = 20 × 25/9 × 25 = 500/225 - Subtract the two like fractions:
90/225 - 500/225 = 90 - 500/225 = -410/225 - After reducing the fraction, the answer is -82/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/25-20/9 10/25-40/9 10/50-20/9 10/25-20/18 30/25-20/9 10/25-60/9 10/75-20/9 10/25-20/27 50/25-20/9 10/25-20/45 70/25-20/9 10/25-20/63