Subtract 3/7 from 5/54
5/54 - 3/7 is -127/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
5/54 = 5 × 7/54 × 7 = 35/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
3/7 = 3 × 54/7 × 54 = 162/378 - Subtract the two like fractions:
35/378 - 162/378 = 35 - 162/378 = -127/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/54-3/7 5/54-6/7 5/54-3/14 15/54-3/7 5/54-9/7 5/54-3/21 25/54-3/7 5/54-15/7 5/54-3/35 35/54-3/7 5/54-21/7 5/54-3/49