Subtract 81/6 from 3/12
1st number: 3/12, 2nd number: 13 3/6
3/12 - 81/6 is -53/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 6 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
3/12 = 3 × 1/12 × 1 = 3/12 - Likewise, for the 2nd fraction, since 6 × 2 = 12,
81/6 = 81 × 2/6 × 2 = 162/12 - Subtract the two like fractions:
3/12 - 162/12 = 3 - 162/12 = -159/12 - After reducing the fraction, the answer is -53/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12-81/6 3/24-81/6 3/12-81/12 9/12-81/6 3/36-81/6 3/12-81/18 15/12-81/6 3/60-81/6 3/12-81/30 21/12-81/6 3/84-81/6 3/12-81/42