Subtract 1/7 from 1/24
1/24 - 1/7 is -17/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 7 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
1/24 = 1 × 7/24 × 7 = 7/168 - Likewise, for the 2nd fraction, since 7 × 24 = 168,
1/7 = 1 × 24/7 × 24 = 24/168 - Subtract the two like fractions:
7/168 - 24/168 = 7 - 24/168 = -17/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/24-1/7 1/24-2/7 1/48-1/7 1/24-1/14 3/24-1/7 1/24-3/7 1/72-1/7 1/24-1/21 5/24-1/7 1/24-5/7 1/24-1/35 7/24-1/7 1/24-1/49