Subtract 25/42 from 14/54
14/54 - 25/42 is -127/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
14/54 = 14 × 7/54 × 7 = 98/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
25/42 = 25 × 9/42 × 9 = 225/378 - Subtract the two like fractions:
98/378 - 225/378 = 98 - 225/378 = -127/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/54-25/42 14/54-50/42 14/54-25/84 42/54-25/42 14/54-75/42 70/54-25/42 98/54-25/42