Subtract 10/50 from 18/9
1st number: 2 0/9, 2nd number: 10/50
18/9 - 10/50 is 9/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 9 × 50 = 450,
18/9 = 18 × 50/9 × 50 = 900/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
10/50 = 10 × 9/50 × 9 = 90/450 - Subtract the two like fractions:
900/450 - 90/450 = 900 - 90/450 = 810/450 - After reducing the fraction, the answer is 9/5
- In mixed form: 14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9-10/50 18/9-20/50 54/9-10/50 18/9-30/50 18/27-10/50 90/9-10/50 18/45-10/50 18/9-70/50 18/63-10/50