Subtract 8/45 from 8/84
8/84 - 8/45 is -26/315.
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,
8/84 = 8 × 15/84 × 15 = 120/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
8/45 = 8 × 28/45 × 28 = 224/1260 - Subtract the two like fractions:
120/1260 - 224/1260 = 120 - 224/1260 = -104/1260 - After reducing the fraction, the answer is -26/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/84-8/45 8/84-16/45 8/84-8/90 24/84-8/45 8/84-24/45 40/84-8/45 8/84-40/45 56/84-8/45 8/84-56/45