Subtract 25/7 from 1/54
1st number: 1/54, 2nd number: 3 4/7
1/54 - 25/7 is -1343/378.
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,
1/54 = 1 × 7/54 × 7 = 7/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
25/7 = 25 × 54/7 × 54 = 1350/378 - Subtract the two like fractions:
7/378 - 1350/378 = 7 - 1350/378 = -1343/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/54-25/7 1/54-50/7 1/54-25/14 3/54-25/7 1/54-75/7 1/54-25/21 5/54-25/7 1/54-25/35 7/54-25/7 1/54-25/49