Subtract 20/54 from 84/24
1st number: 3 12/24, 2nd number: 20/54
84/24 - 20/54 is 169/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 24 × 9 = 216,
84/24 = 84 × 9/24 × 9 = 756/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
20/54 = 20 × 4/54 × 4 = 80/216 - Subtract the two like fractions:
756/216 - 80/216 = 756 - 80/216 = 676/216 - After reducing the fraction, the answer is 169/54
- In mixed form: 37/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24-40/54 84/48-20/54 84/24-60/54 84/72-20/54