Subtract 84/9 from 50/12
1st number: 4 2/12, 2nd number: 9 3/9
50/12 - 84/9 is -31/6.
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,
50/12 = 50 × 3/12 × 3 = 150/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
84/9 = 84 × 4/9 × 4 = 336/36 - Subtract the two like fractions:
150/36 - 336/36 = 150 - 336/36 = -186/36 - After reducing the fraction, the answer is -31/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/24-84/9 50/12-84/18 50/36-84/9 50/12-84/27 50/60-84/9 50/12-84/45 50/84-84/9 50/12-84/63