Subtract 36/9 from 84/12
1st number: 7 0/12, 2nd number: 4 0/9
84/12 - 36/9 is 3/1.
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,
36/9 = 36 × 4/9 × 4 = 144/36 - Subtract the two like fractions:
252/36 - 144/36 = 252 - 144/36 = 108/36 - After reducing the fraction, the answer is 3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12-72/9 84/24-36/9 84/12-36/18 84/36-36/9 84/12-36/27 84/60-36/9 84/12-36/45 84/12-36/63