Subtract 7/45 from 25/7
1st number: 3 4/7, 2nd number: 7/45
25/7 - 7/45 is 1076/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
25/7 = 25 × 45/7 × 45 = 1125/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
7/45 = 7 × 7/45 × 7 = 49/315 - Subtract the two like fractions:
1125/315 - 49/315 = 1125 - 49/315 = 1076/315 - In mixed form: 3131/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7-7/45 25/7-14/45 25/14-7/45 25/7-7/90 75/7-7/45 25/7-21/45 25/21-7/45 25/7-35/45 25/35-7/45 25/7-49/45 25/49-7/45