Subtract 5/54 from 3/84
3/84 - 5/54 is -43/756.
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,
3/84 = 3 × 9/84 × 9 = 27/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
5/54 = 5 × 14/54 × 14 = 70/756 - Subtract the two like fractions:
27/756 - 70/756 = 27 - 70/756 = -43/756
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/84-5/54 3/84-10/54 9/84-5/54 3/84-15/54 15/84-5/54 3/84-25/54 21/84-5/54 3/84-35/54