Subtract 2/9 from 28/45
28/45 - 2/9 is 2/5.
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,
28/45 = 28 × 1/45 × 1 = 28/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
2/9 = 2 × 5/9 × 5 = 10/45 - Subtract the two like fractions:
28/45 - 10/45 = 28 - 10/45 = 18/45 - After reducing the fraction, the answer is 2/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/45-2/9 28/45-4/9 28/90-2/9 28/45-2/18 84/45-2/9 28/45-6/9 28/45-2/27 28/45-10/9 28/45-2/45 28/45-14/9 28/45-2/63