Subtract 2/14 from 20/42
20/42 - 2/14 is 1/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
20/42 = 20 × 1/42 × 1 = 20/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
2/14 = 2 × 3/14 × 3 = 6/42 - Subtract the two like fractions:
20/42 - 6/42 = 20 - 6/42 = 14/42 - After reducing the fraction, the answer is 1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/42-2/14 20/42-4/14 20/84-2/14 20/42-2/28 60/42-2/14 20/42-6/14 20/42-2/42 20/42-10/14 20/42-2/70 20/42-2/98