Subtract 6/24 from 10/21
10/21 - 6/24 is 19/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
10/21 = 10 × 8/21 × 8 = 80/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
6/24 = 6 × 7/24 × 7 = 42/168 - Subtract the two like fractions:
80/168 - 42/168 = 80 - 42/168 = 38/168 - After reducing the fraction, the answer is 19/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21-6/24 10/21-12/24 10/42-6/24 10/21-6/48 30/21-6/24 10/21-18/24 10/63-6/24 10/21-6/72 50/21-6/24 10/21-30/24 70/21-6/24 10/21-42/24