Subtract 54/84 from 5/27
5/27 - 54/84 is -173/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
5/27 = 5 × 28/27 × 28 = 140/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
54/84 = 54 × 9/84 × 9 = 486/756 - Subtract the two like fractions:
140/756 - 486/756 = 140 - 486/756 = -346/756 - After reducing the fraction, the answer is -173/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/27-54/84 5/54-54/84 15/27-54/84 5/81-54/84 25/27-54/84 35/27-54/84