Subtract 8/24 from 2/84
2/84 - 8/24 is -13/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
2/84 = 2 × 2/84 × 2 = 4/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
8/24 = 8 × 7/24 × 7 = 56/168 - Subtract the two like fractions:
4/168 - 56/168 = 4 - 56/168 = -52/168 - After reducing the fraction, the answer is -13/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/84-8/24 2/84-16/24 2/84-8/48 6/84-8/24 2/84-8/72 10/84-8/24 2/84-40/24 14/84-8/24 2/84-56/24