Subtract 4/45 from 5/9
5/9 - 4/45 is 7/15.
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,
5/9 = 5 × 5/9 × 5 = 25/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
4/45 = 4 × 1/45 × 1 = 4/45 - Subtract the two like fractions:
25/45 - 4/45 = 25 - 4/45 = 21/45 - After reducing the fraction, the answer is 7/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/9-4/45 5/9-8/45 5/18-4/45 5/9-4/90 15/9-4/45 5/9-12/45 5/27-4/45 25/9-4/45 5/9-20/45 5/45-4/45 35/9-4/45 5/9-28/45 5/63-4/45