Subtract 20/9 from 10/50
1st number: 10/50, 2nd number: 2 2/9
10/50 - 20/9 is -91/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 9 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
10/50 = 10 × 9/50 × 9 = 90/450 - Likewise, for the 2nd fraction, since 9 × 50 = 450,
20/9 = 20 × 50/9 × 50 = 1000/450 - Subtract the two like fractions:
90/450 - 1000/450 = 90 - 1000/450 = -910/450 - After reducing the fraction, the answer is -91/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/50-20/9 10/50-40/9 10/50-20/18 30/50-20/9 10/50-60/9 10/50-20/27 10/50-20/45 70/50-20/9 10/50-20/63