Subtract 25/14 from 45/18
1st number: 2 9/18, 2nd number: 1 11/14
45/18 - 25/14 is 5/7.
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,
25/14 = 25 × 9/14 × 9 = 225/126 - Subtract the two like fractions:
315/126 - 225/126 = 315 - 225/126 = 90/126 - After reducing the fraction, the answer is 5/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18-25/14 45/18-50/14 45/36-25/14 45/18-25/28 45/18-75/14 45/54-25/14 45/18-25/42 45/90-25/14 45/18-25/70 45/18-25/98