Subtract 35/7 from 30/27
1st number: 1 3/27, 2nd number: 5 0/7
30/27 - 35/7 is -35/9.
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,
30/27 = 30 × 7/27 × 7 = 210/189 - Likewise, for the 2nd fraction, since 7 × 27 = 189,
35/7 = 35 × 27/7 × 27 = 945/189 - Subtract the two like fractions:
210/189 - 945/189 = 210 - 945/189 = -735/189 - After reducing the fraction, the answer is -35/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/27-35/7 30/27-70/7 30/54-35/7 30/27-35/14 90/27-35/7 30/81-35/7 30/27-35/21 30/27-35/49