Subtract 4/5 from 1/27
1/27 - 4/5 is -103/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 5 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
1/27 = 1 × 5/27 × 5 = 5/135 - Likewise, for the 2nd fraction, since 5 × 27 = 135,
4/5 = 4 × 27/5 × 27 = 108/135 - Subtract the two like fractions:
5/135 - 108/135 = 5 - 108/135 = -103/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/27-4/5 1/27-8/5 1/54-4/5 1/27-4/10 3/27-4/5 1/27-12/5 1/81-4/5 1/27-4/15 5/27-4/5 1/27-20/5 1/27-4/25 7/27-4/5 1/27-28/5 1/27-4/35