Subtract 5/14 from 45/18
1st number: 2 9/18, 2nd number: 5/14
45/18 - 5/14 is 15/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
45/18 = 45 × 7/18 × 7 = 315/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
5/14 = 5 × 9/14 × 9 = 45/126 - Subtract the two like fractions:
315/126 - 45/126 = 315 - 45/126 = 270/126 - After reducing the fraction, the answer is 15/7
- In mixed form: 21/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18-5/14 45/18-10/14 45/36-5/14 45/18-5/28 45/18-15/14 45/54-5/14 45/18-5/42 45/18-25/14 45/90-5/14 45/18-5/70 45/18-35/14 45/18-5/98