Subtract 8/84 from 56/90
56/90 - 8/84 is 166/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
56/90 = 56 × 14/90 × 14 = 784/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
8/84 = 8 × 15/84 × 15 = 120/1260 - Subtract the two like fractions:
784/1260 - 120/1260 = 784 - 120/1260 = 664/1260 - After reducing the fraction, the answer is 166/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90-16/84 56/90-24/84 56/90-40/84 56/90-56/84