Subtract 2/14 from 3/21
3/21 - 2/14 is 0/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
3/21 = 3 × 2/21 × 2 = 6/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
2/14 = 2 × 3/14 × 3 = 6/42 - Subtract the two like fractions:
6/42 - 6/42 = 6 - 6/42 = 0/42 - The answer is 0
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/21-2/14 3/21-4/14 3/42-2/14 3/21-2/28 9/21-2/14 3/21-6/14 3/63-2/14 3/21-2/42 15/21-2/14 3/21-10/14 3/21-2/70 3/21-2/98