Subtract 25/6 from 2/21
1st number: 2/21, 2nd number: 4 1/6
2/21 - 25/6 is -57/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
2/21 = 2 × 2/21 × 2 = 4/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
25/6 = 25 × 7/6 × 7 = 175/42 - Subtract the two like fractions:
4/42 - 175/42 = 4 - 175/42 = -171/42 - After reducing the fraction, the answer is -57/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/21-25/6 2/21-50/6 2/42-25/6 2/21-25/12 6/21-25/6 2/21-75/6 2/63-25/6 2/21-25/18 10/21-25/6 2/21-25/30 14/21-25/6 2/21-25/42