Subtract 7/54 from 6/7
6/7 - 7/54 is 275/378.
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,
6/7 = 6 × 54/7 × 54 = 324/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
7/54 = 7 × 7/54 × 7 = 49/378 - Subtract the two like fractions:
324/378 - 49/378 = 324 - 49/378 = 275/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/7-7/54 6/7-14/54 6/14-7/54 18/7-7/54 6/7-21/54 6/21-7/54 30/7-7/54 6/7-35/54 6/35-7/54 42/7-7/54 6/7-49/54 6/49-7/54