Subtract 7/54 from 5/84
5/84 - 7/54 is -53/756.
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,
5/84 = 5 × 9/84 × 9 = 45/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
7/54 = 7 × 14/54 × 14 = 98/756 - Subtract the two like fractions:
45/756 - 98/756 = 45 - 98/756 = -53/756
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/84-7/54 5/84-14/54 15/84-7/54 5/84-21/54 25/84-7/54 5/84-35/54 35/84-7/54 5/84-49/54