Subtract 32/54 from 2/7
2/7 - 32/54 is -58/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
2/7 = 2 × 54/7 × 54 = 108/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
32/54 = 32 × 7/54 × 7 = 224/378 - Subtract the two like fractions:
108/378 - 224/378 = 108 - 224/378 = -116/378 - After reducing the fraction, the answer is -58/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/7-32/54 2/7-64/54 2/14-32/54 6/7-32/54 2/7-96/54 2/21-32/54 10/7-32/54 2/35-32/54 14/7-32/54 2/49-32/54