Subtract 4/54 from 4/7
4/7 - 4/54 is 94/189.
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,
4/7 = 4 × 54/7 × 54 = 216/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
4/54 = 4 × 7/54 × 7 = 28/378 - Subtract the two like fractions:
216/378 - 28/378 = 216 - 28/378 = 188/378 - After reducing the fraction, the answer is 94/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7-4/54 4/7-8/54 4/14-4/54 12/7-4/54 4/7-12/54 4/21-4/54 20/7-4/54 4/7-20/54 4/35-4/54 28/7-4/54 4/7-28/54 4/49-4/54