Subtract 5/12 from 1/84
1/84 - 5/12 is -17/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
1/84 = 1 × 1/84 × 1 = 1/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
5/12 = 5 × 7/12 × 7 = 35/84 - Subtract the two like fractions:
1/84 - 35/84 = 1 - 35/84 = -34/84 - After reducing the fraction, the answer is -17/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/84-5/12 1/84-10/12 1/84-5/24 3/84-5/12 1/84-15/12 1/84-5/36 5/84-5/12 1/84-25/12 1/84-5/60 7/84-5/12 1/84-35/12 1/84-5/84