Subtract 7/45 from 2/9
2/9 - 7/45 is 1/15.
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,
2/9 = 2 × 5/9 × 5 = 10/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
7/45 = 7 × 1/45 × 1 = 7/45 - Subtract the two like fractions:
10/45 - 7/45 = 10 - 7/45 = 3/45 - After reducing the fraction, the answer is 1/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/9-7/45 2/9-14/45 2/18-7/45 2/9-7/90 6/9-7/45 2/9-21/45 2/27-7/45 10/9-7/45 2/9-35/45 2/45-7/45 14/9-7/45 2/9-49/45 2/63-7/45