Subtract 3/9 from 27/45
27/45 - 3/9 is 4/15.
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,
27/45 = 27 × 1/45 × 1 = 27/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
3/9 = 3 × 5/9 × 5 = 15/45 - Subtract the two like fractions:
27/45 - 15/45 = 27 - 15/45 = 12/45 - After reducing the fraction, the answer is 4/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45-3/9 27/45-6/9 27/90-3/9 27/45-3/18 81/45-3/9 27/45-3/27 27/45-15/9 27/45-3/45 27/45-21/9 27/45-3/63