Subtract 4/24 from 10/84
10/84 - 4/24 is -1/21.
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,
10/84 = 10 × 2/84 × 2 = 20/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
4/24 = 4 × 7/24 × 7 = 28/168 - Subtract the two like fractions:
20/168 - 28/168 = 20 - 28/168 = -8/168 - After reducing the fraction, the answer is -1/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/84-4/24 10/84-8/24 10/84-4/48 30/84-4/24 10/84-12/24 10/84-4/72 50/84-4/24 10/84-20/24 70/84-4/24 10/84-28/24