Subtract 56/20 from 64/9
1st number: 7 1/9, 2nd number: 2 16/20
64/9 - 56/20 is 194/45.
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,
64/9 = 64 × 20/9 × 20 = 1280/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
56/20 = 56 × 9/20 × 9 = 504/180 - Subtract the two like fractions:
1280/180 - 504/180 = 1280 - 504/180 = 776/180 - After reducing the fraction, the answer is 194/45
- In mixed form: 414/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/18-56/20 64/9-56/40 64/27-56/20 64/9-56/60 64/45-56/20 64/63-56/20