Subtract 45/18 from 9/14
1st number: 9/14, 2nd number: 2 9/18
9/14 - 45/18 is -13/7.
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,
9/14 = 9 × 9/14 × 9 = 81/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
45/18 = 45 × 7/18 × 7 = 315/126 - Subtract the two like fractions:
81/126 - 315/126 = 81 - 315/126 = -234/126 - After reducing the fraction, the answer is -13/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/14-45/18 9/14-90/18 9/28-45/18 9/14-45/36 27/14-45/18 9/42-45/18 9/14-45/54 45/14-45/18 9/70-45/18 9/14-45/90 63/14-45/18 9/98-45/18