Subtract 75/18 from 84/12
1st number: 7 0/12, 2nd number: 4 3/18
84/12 - 75/18 is 17/6.
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,
75/18 = 75 × 2/18 × 2 = 150/36 - Subtract the two like fractions:
252/36 - 150/36 = 252 - 150/36 = 102/36 - After reducing the fraction, the answer is 17/6
- In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24-75/18 84/12-75/36 84/36-75/18 84/12-75/54 84/60-75/18 84/12-75/90