Subtract 14/54 from 28/84
28/84 - 14/54 is 2/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
28/84 = 28 × 9/84 × 9 = 252/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
14/54 = 14 × 14/54 × 14 = 196/756 - Subtract the two like fractions:
252/756 - 196/756 = 252 - 196/756 = 56/756 - After reducing the fraction, the answer is 2/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84-14/54 28/84-28/54 28/84-42/54 28/84-70/54 28/84-98/54