Subtract 4/7 from 30/27
1st number: 1 3/27, 2nd number: 4/7
30/27 - 4/7 is 34/63.
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,
4/7 = 4 × 27/7 × 27 = 108/189 - Subtract the two like fractions:
210/189 - 108/189 = 210 - 108/189 = 102/189 - After reducing the fraction, the answer is 34/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/27-4/7 30/27-8/7 30/54-4/7 30/27-4/14 90/27-4/7 30/27-12/7 30/81-4/7 30/27-4/21 30/27-20/7 30/27-4/35 30/27-28/7 30/27-4/49