Subtract 16/6 from 20/9
1st number: 2 2/9, 2nd number: 2 4/6
20/9 - 16/6 is -4/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 6 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
20/9 = 20 × 2/9 × 2 = 40/18 - Likewise, for the 2nd fraction, since 6 × 3 = 18,
16/6 = 16 × 3/6 × 3 = 48/18 - Subtract the two like fractions:
40/18 - 48/18 = 40 - 48/18 = -8/18 - After reducing the fraction, the answer is -4/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/9-16/6 20/9-32/6 20/18-16/6 20/9-16/12 60/9-16/6 20/9-48/6 20/27-16/6 20/9-16/18 20/9-80/6 20/45-16/6 20/9-16/30 20/63-16/6 20/9-16/42