Subtract 14/21 from 20/6
1st number: 3 2/6, 2nd number: 14/21
20/6 - 14/21 is 8/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
20/6 = 20 × 7/6 × 7 = 140/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
14/21 = 14 × 2/21 × 2 = 28/42 - Subtract the two like fractions:
140/42 - 28/42 = 140 - 28/42 = 112/42 - After reducing the fraction, the answer is 8/3
- In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6-14/21 20/6-28/21 20/12-14/21 20/6-14/42 60/6-14/21 20/6-42/21 20/18-14/21 20/6-14/63 20/6-70/21 20/30-14/21 20/6-98/21 20/42-14/21