Subtract 8/18 from 84/12
1st number: 7 0/12, 2nd number: 8/18
84/12 - 8/18 is 59/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
84/12 = 84 × 3/12 × 3 = 252/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
8/18 = 8 × 2/18 × 2 = 16/36 - Subtract the two like fractions:
252/36 - 16/36 = 252 - 16/36 = 236/36 - After reducing the fraction, the answer is 59/9
- In mixed form: 65/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12-16/18 84/24-8/18 84/12-8/36 84/12-24/18 84/36-8/18 84/12-8/54 84/12-40/18 84/60-8/18 84/12-8/90 84/12-56/18