Subtract 24/45 from 1/28
1/28 - 24/45 is -209/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
1/28 = 1 × 45/28 × 45 = 45/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
24/45 = 24 × 28/45 × 28 = 672/1260 - Subtract the two like fractions:
45/1260 - 672/1260 = 45 - 672/1260 = -627/1260 - After reducing the fraction, the answer is -209/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28-24/45 1/28-48/45 1/56-24/45 1/28-24/90 3/28-24/45 1/28-72/45 1/84-24/45 5/28-24/45 7/28-24/45