Subtract 14/27 from 1/7
1/7 - 14/27 is -71/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 7 × 27 = 189,
1/7 = 1 × 27/7 × 27 = 27/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
14/27 = 14 × 7/27 × 7 = 98/189 - Subtract the two like fractions:
27/189 - 98/189 = 27 - 98/189 = -71/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/7-14/27 1/7-28/27 1/14-14/27 1/7-14/54 3/7-14/27 1/7-42/27 1/21-14/27 1/7-14/81 5/7-14/27 1/7-70/27 1/35-14/27 1/7-98/27 1/49-14/27