Subtract 24/18 from 81/3
1st number: 27 0/3, 2nd number: 1 6/18
81/3 - 24/18 is 77/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 3 × 6 = 18,
81/3 = 81 × 6/3 × 6 = 486/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
24/18 = 24 × 1/18 × 1 = 24/18 - Subtract the two like fractions:
486/18 - 24/18 = 486 - 24/18 = 462/18 - After reducing the fraction, the answer is 77/3
- In mixed form: 252/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/3-48/18 81/6-24/18 81/3-24/36 81/3-72/18 81/9-24/18 81/3-24/54 81/15-24/18 81/3-24/90 81/21-24/18