Subtract 14/45 from 4/7
4/7 - 14/45 is 82/315.
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,
4/7 = 4 × 45/7 × 45 = 180/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
14/45 = 14 × 7/45 × 7 = 98/315 - Subtract the two like fractions:
180/315 - 98/315 = 180 - 98/315 = 82/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7-14/45 4/7-28/45 4/14-14/45 4/7-14/90 12/7-14/45 4/7-42/45 4/21-14/45 20/7-14/45 4/7-70/45 4/35-14/45 28/7-14/45 4/7-98/45 4/49-14/45