Subtract 24/45 from 3/84
3/84 - 24/45 is -209/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
3/84 = 3 × 15/84 × 15 = 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: 6/84-24/45 3/84-48/45 3/84-24/90 9/84-24/45 3/84-72/45 15/84-24/45 21/84-24/45