Subtract 42/81 from 24/6
1st number: 4 0/6, 2nd number: 42/81
24/6 - 42/81 is 94/27.
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,
24/6 = 24 × 27/6 × 27 = 648/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
42/81 = 42 × 2/81 × 2 = 84/162 - Subtract the two like fractions:
648/162 - 84/162 = 648 - 84/162 = 564/162 - After reducing the fraction, the answer is 94/27
- In mixed form: 313/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/6-42/81 24/6-84/81 24/12-42/81 72/6-42/81 24/18-42/81 24/30-42/81 24/42-42/81