Subtract 70/7 from 10/27
1st number: 10/27, 2nd number: 10 0/7
10/27 - 70/7 is -260/27.
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,
70/7 = 70 × 27/7 × 27 = 1890/189 - Subtract the two like fractions:
70/189 - 1890/189 = 70 - 1890/189 = -1820/189 - After reducing the fraction, the answer is -260/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/27-70/7 10/54-70/7 10/27-70/14 30/27-70/7 10/81-70/7 10/27-70/21 50/27-70/7 10/27-70/35 70/27-70/7 10/27-70/49