Subtract 4/84 from 1/12
1/12 - 4/84 is 1/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
1/12 = 1 × 7/12 × 7 = 7/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
4/84 = 4 × 1/84 × 1 = 4/84 - Subtract the two like fractions:
7/84 - 4/84 = 7 - 4/84 = 3/84 - After reducing the fraction, the answer is 1/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/12-4/84 1/12-8/84 1/24-4/84 3/12-4/84 1/12-12/84 1/36-4/84 5/12-4/84 1/12-20/84 1/60-4/84 7/12-4/84 1/12-28/84 1/84-4/84