Subtract 12/18 from 12/14
12/14 - 12/18 is 4/21.
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,
12/14 = 12 × 9/14 × 9 = 108/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
12/18 = 12 × 7/18 × 7 = 84/126 - Subtract the two like fractions:
108/126 - 84/126 = 108 - 84/126 = 24/126 - After reducing the fraction, the answer is 4/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/14-12/18 12/14-24/18 12/28-12/18 12/14-12/36 36/14-12/18 12/14-36/18 12/42-12/18 12/14-12/54 60/14-12/18 12/14-60/18 12/70-12/18 12/14-12/90 84/14-12/18 12/14-84/18 12/98-12/18