Subtract 3/18 from 12/14
12/14 - 3/18 is 29/42.
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,
3/18 = 3 × 7/18 × 7 = 21/126 - Subtract the two like fractions:
108/126 - 21/126 = 108 - 21/126 = 87/126 - After reducing the fraction, the answer is 29/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/14-3/18 12/14-6/18 12/28-3/18 12/14-3/36 36/14-3/18 12/14-9/18 12/42-3/18 12/14-3/54 60/14-3/18 12/14-15/18 12/70-3/18 12/14-3/90 84/14-3/18 12/14-21/18 12/98-3/18