Subtract 7/9 from 84/12
1st number: 7 0/12, 2nd number: 7/9
84/12 - 7/9 is 56/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 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 9 × 4 = 36,
7/9 = 7 × 4/9 × 4 = 28/36 - Subtract the two like fractions:
252/36 - 28/36 = 252 - 28/36 = 224/36 - After reducing the fraction, the answer is 56/9
- In mixed form: 62/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12-14/9 84/24-7/9 84/12-7/18 84/12-21/9 84/36-7/9 84/12-7/27 84/12-35/9 84/60-7/9 84/12-7/45 84/12-49/9 84/12-7/63