Subtract 75/20 from 56/9
1st number: 6 2/9, 2nd number: 3 15/20
56/9 - 75/20 is 89/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
56/9 = 56 × 20/9 × 20 = 1120/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
75/20 = 75 × 9/20 × 9 = 675/180 - Subtract the two like fractions:
1120/180 - 675/180 = 1120 - 675/180 = 445/180 - After reducing the fraction, the answer is 89/36
- In mixed form: 217/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18-75/20 56/9-75/40 56/27-75/20 56/9-75/60 56/45-75/20 56/63-75/20