Subtract 2/9 from 2/45
2/45 - 2/9 is -8/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
2/45 = 2 × 1/45 × 1 = 2/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
2/9 = 2 × 5/9 × 5 = 10/45 - Subtract the two like fractions:
2/45 - 10/45 = 2 - 10/45 = -8/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/45-2/9 2/45-4/9 2/90-2/9 2/45-2/18 6/45-2/9 2/45-6/9 2/45-2/27 10/45-2/9 2/45-10/9 2/45-2/45 14/45-2/9 2/45-14/9 2/45-2/63