Subtract 7/27 from 1/5
1/5 - 7/27 is -8/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 5 × 27 = 135,
1/5 = 1 × 27/5 × 27 = 27/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
7/27 = 7 × 5/27 × 5 = 35/135 - Subtract the two like fractions:
27/135 - 35/135 = 27 - 35/135 = -8/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/5-7/27 1/5-14/27 1/10-7/27 1/5-7/54 3/5-7/27 1/5-21/27 1/15-7/27 1/5-7/81 1/5-35/27 1/25-7/27 7/5-7/27 1/5-49/27 1/35-7/27