Subtract 24/45 from 4/7
4/7 - 24/45 is 4/105.
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,
24/45 = 24 × 7/45 × 7 = 168/315 - Subtract the two like fractions:
180/315 - 168/315 = 180 - 168/315 = 12/315 - After reducing the fraction, the answer is 4/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7-24/45 4/7-48/45 4/14-24/45 4/7-24/90 12/7-24/45 4/7-72/45 4/21-24/45 20/7-24/45 4/35-24/45 28/7-24/45 4/49-24/45