Subtract 6/10 from 20/9
1st number: 2 2/9, 2nd number: 6/10
20/9 - 6/10 is 73/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
20/9 = 20 × 10/9 × 10 = 200/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
6/10 = 6 × 9/10 × 9 = 54/90 - Subtract the two like fractions:
200/90 - 54/90 = 200 - 54/90 = 146/90 - After reducing the fraction, the answer is 73/45
- In mixed form: 128/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/9-6/10 20/9-12/10 20/18-6/10 20/9-6/20 60/9-6/10 20/9-18/10 20/27-6/10 20/9-6/30 20/9-30/10 20/45-6/10 20/9-6/50 20/9-42/10 20/63-6/10 20/9-6/70