Subtract 16/45 from 1/9
1/9 - 16/45 is -11/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
1/9 = 1 × 5/9 × 5 = 5/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
16/45 = 16 × 1/45 × 1 = 16/45 - Subtract the two like fractions:
5/45 - 16/45 = 5 - 16/45 = -11/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/9-16/45 1/9-32/45 1/18-16/45 1/9-16/90 3/9-16/45 1/9-48/45 1/27-16/45 5/9-16/45 1/9-80/45 1/45-16/45 7/9-16/45 1/63-16/45