Subtract 12/27 from 4/7
4/7 - 12/27 is 8/63.
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,
4/7 = 4 × 27/7 × 27 = 108/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
12/27 = 12 × 7/27 × 7 = 84/189 - Subtract the two like fractions:
108/189 - 84/189 = 108 - 84/189 = 24/189 - After reducing the fraction, the answer is 8/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7-12/27 4/7-24/27 4/14-12/27 4/7-12/54 12/7-12/27 4/7-36/27 4/21-12/27 4/7-12/81 20/7-12/27 4/7-60/27 4/35-12/27 28/7-12/27 4/7-84/27 4/49-12/27