Subtract 24/84 from 8/12
8/12 - 24/84 is 8/21.
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,
8/12 = 8 × 7/12 × 7 = 56/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
24/84 = 24 × 1/84 × 1 = 24/84 - Subtract the two like fractions:
56/84 - 24/84 = 56 - 24/84 = 32/84 - After reducing the fraction, the answer is 8/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/12-24/84 8/12-48/84 8/24-24/84 24/12-24/84 8/12-72/84 8/36-24/84 40/12-24/84 8/60-24/84 56/12-24/84 8/84-24/84