Subtract 24/4 from 2/21
1st number: 2/21, 2nd number: 6 0/4
2/21 - 24/4 is -124/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
2/21 = 2 × 4/21 × 4 = 8/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
24/4 = 24 × 21/4 × 21 = 504/84 - Subtract the two like fractions:
8/84 - 504/84 = 8 - 504/84 = -496/84 - After reducing the fraction, the answer is -124/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/21-24/4 2/21-48/4 2/42-24/4 2/21-24/8 6/21-24/4 2/21-72/4 2/63-24/4 2/21-24/12 10/21-24/4 2/21-24/20 14/21-24/4 2/21-24/28