Subtract 20/84 from 54/6
1st number: 9 0/6, 2nd number: 20/84
54/6 - 20/84 is 184/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
54/6 = 54 × 14/6 × 14 = 756/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84 - Subtract the two like fractions:
756/84 - 20/84 = 756 - 20/84 = 736/84 - After reducing the fraction, the answer is 184/21
- In mixed form: 816/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6-40/84 54/12-20/84 54/6-60/84 54/18-20/84 54/30-20/84 54/42-20/84