Subtract 20/12 from 50/9
1st number: 5 5/9, 2nd number: 1 8/12
50/9 - 20/12 is 35/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
50/9 = 50 × 4/9 × 4 = 200/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
20/12 = 20 × 3/12 × 3 = 60/36 - Subtract the two like fractions:
200/36 - 60/36 = 200 - 60/36 = 140/36 - After reducing the fraction, the answer is 35/9
- In mixed form: 38/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/9-40/12 50/18-20/12 50/9-20/24 50/9-60/12 50/27-20/12 50/9-20/36 50/45-20/12 50/9-20/60 50/63-20/12 50/9-20/84