Subtract 8/45 from 4/27
4/27 - 8/45 is -4/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
4/27 = 4 × 5/27 × 5 = 20/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
8/45 = 8 × 3/45 × 3 = 24/135 - Subtract the two like fractions:
20/135 - 24/135 = 20 - 24/135 = -4/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/27-8/45 4/27-16/45 4/54-8/45 4/27-8/90 12/27-8/45 4/27-24/45 4/81-8/45 20/27-8/45 4/27-40/45 28/27-8/45 4/27-56/45