Subtract 2/7 from 10/27
10/27 - 2/7 is 16/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 7 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
10/27 = 10 × 7/27 × 7 = 70/189 - Likewise, for the 2nd fraction, since 7 × 27 = 189,
2/7 = 2 × 27/7 × 27 = 54/189 - Subtract the two like fractions:
70/189 - 54/189 = 70 - 54/189 = 16/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/27-2/7 10/27-4/7 10/54-2/7 10/27-2/14 30/27-2/7 10/27-6/7 10/81-2/7 10/27-2/21 50/27-2/7 10/27-10/7 10/27-2/35 70/27-2/7 10/27-14/7 10/27-2/49