Subtract 10/84 from 2/54
2/54 - 10/84 is -31/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
2/54 = 2 × 14/54 × 14 = 28/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
10/84 = 10 × 9/84 × 9 = 90/756 - Subtract the two like fractions:
28/756 - 90/756 = 28 - 90/756 = -62/756 - After reducing the fraction, the answer is -31/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/54-10/84 2/54-20/84 6/54-10/84 2/54-30/84 10/54-10/84 2/54-50/84 14/54-10/84 2/54-70/84