Subtract 7/18 from 25/7
1st number: 3 4/7, 2nd number: 7/18
25/7 - 7/18 is 401/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
25/7 = 25 × 18/7 × 18 = 450/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
7/18 = 7 × 7/18 × 7 = 49/126 - Subtract the two like fractions:
450/126 - 49/126 = 450 - 49/126 = 401/126 - In mixed form: 323/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7-7/18 25/7-14/18 25/14-7/18 25/7-7/36 75/7-7/18 25/7-21/18 25/21-7/18 25/7-7/54 25/7-35/18 25/35-7/18 25/7-7/90 25/7-49/18 25/49-7/18