Subtract 7/42 from 6/24
6/24 - 7/42 is 1/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
6/24 = 6 × 7/24 × 7 = 42/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
7/42 = 7 × 4/42 × 4 = 28/168 - Subtract the two like fractions:
42/168 - 28/168 = 42 - 28/168 = 14/168 - After reducing the fraction, the answer is 1/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/24-7/42 6/24-14/42 6/48-7/42 6/24-7/84 18/24-7/42 6/24-21/42 6/72-7/42 30/24-7/42 6/24-35/42 42/24-7/42 6/24-49/42