Subtract 15/84 from 2/24
2/24 - 15/84 is -2/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
2/24 = 2 × 7/24 × 7 = 14/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
15/84 = 15 × 2/84 × 2 = 30/168 - Subtract the two like fractions:
14/168 - 30/168 = 14 - 30/168 = -16/168 - After reducing the fraction, the answer is -2/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/24-15/84 2/24-30/84 2/48-15/84 6/24-15/84 2/24-45/84 2/72-15/84 10/24-15/84 2/24-75/84 14/24-15/84