Subtract 5/42 from 10/24
10/24 - 5/42 is 25/84.
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,
10/24 = 10 × 7/24 × 7 = 70/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
5/42 = 5 × 4/42 × 4 = 20/168 - Subtract the two like fractions:
70/168 - 20/168 = 70 - 20/168 = 50/168 - After reducing the fraction, the answer is 25/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/24-5/42 10/24-10/42 10/48-5/42 10/24-5/84 30/24-5/42 10/24-15/42 10/72-5/42 50/24-5/42 10/24-25/42 70/24-5/42 10/24-35/42