Subtract 3/27 from 54/84
54/84 - 3/27 is 67/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
54/84 = 54 × 9/84 × 9 = 486/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
3/27 = 3 × 28/27 × 28 = 84/756 - Subtract the two like fractions:
486/756 - 84/756 = 486 - 84/756 = 402/756 - After reducing the fraction, the answer is 67/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/84-6/27 54/84-3/54 54/84-9/27 54/84-3/81 54/84-15/27 54/84-21/27