Subtract 28/81 from 50/6
1st number: 8 2/6, 2nd number: 28/81
50/6 - 28/81 is 647/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 6 × 27 = 162,
50/6 = 50 × 27/6 × 27 = 1350/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
28/81 = 28 × 2/81 × 2 = 56/162 - Subtract the two like fractions:
1350/162 - 56/162 = 1350 - 56/162 = 1294/162 - After reducing the fraction, the answer is 647/81
- In mixed form: 780/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/6-56/81 50/12-28/81 50/6-84/81 50/18-28/81 50/30-28/81 50/42-28/81