Subtract 20/18 from 2/14
1st number: 2/14, 2nd number: 1 2/18
2/14 - 20/18 is -61/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
2/14 = 2 × 9/14 × 9 = 18/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
20/18 = 20 × 7/18 × 7 = 140/126 - Subtract the two like fractions:
18/126 - 140/126 = 18 - 140/126 = -122/126 - After reducing the fraction, the answer is -61/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/14-20/18 2/14-40/18 2/28-20/18 2/14-20/36 6/14-20/18 2/14-60/18 2/42-20/18 2/14-20/54 10/14-20/18 2/70-20/18 2/14-20/90 2/98-20/18