Subtract 40/14 from 20/6
1st number: 3 2/6, 2nd number: 2 12/14
20/6 - 40/14 is 10/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 14 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 14 × 3 = 42,
40/14 = 40 × 3/14 × 3 = 120/42 - Subtract the two like fractions:
140/42 - 120/42 = 140 - 120/42 = 20/42 - After reducing the fraction, the answer is 10/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6-40/14 20/6-80/14 20/12-40/14 20/6-40/28 60/6-40/14 20/18-40/14 20/6-40/42 20/30-40/14 20/6-40/70 20/42-40/14 20/6-40/98