Subtract 25/45 from 6/7
6/7 - 25/45 is 19/63.
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,
6/7 = 6 × 45/7 × 45 = 270/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
25/45 = 25 × 7/45 × 7 = 175/315 - Subtract the two like fractions:
270/315 - 175/315 = 270 - 175/315 = 95/315 - After reducing the fraction, the answer is 19/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/7-25/45 6/7-50/45 6/14-25/45 6/7-25/90 18/7-25/45 6/7-75/45 6/21-25/45 30/7-25/45 6/35-25/45 42/7-25/45 6/49-25/45