Subtract 12/9 from 15/14
1st number: 1 1/14, 2nd number: 1 3/9
15/14 - 12/9 is -11/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
15/14 = 15 × 9/14 × 9 = 135/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
12/9 = 12 × 14/9 × 14 = 168/126 - Subtract the two like fractions:
135/126 - 168/126 = 135 - 168/126 = -33/126 - After reducing the fraction, the answer is -11/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/14-12/9 15/14-24/9 15/28-12/9 15/14-12/18 45/14-12/9 15/14-36/9 15/42-12/9 15/14-12/27 75/14-12/9 15/14-60/9 15/70-12/9 15/14-12/45 15/14-84/9 15/98-12/9 15/14-12/63