Subtract 8/84 from 8/2
1st number: 4 0/2, 2nd number: 8/84
8/2 - 8/84 is 82/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 2 × 42 = 84,
8/2 = 8 × 42/2 × 42 = 336/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
8/84 = 8 × 1/84 × 1 = 8/84 - Subtract the two like fractions:
336/84 - 8/84 = 336 - 8/84 = 328/84 - After reducing the fraction, the answer is 82/21
- In mixed form: 319/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/2-8/84 8/2-16/84 8/4-8/84 24/2-8/84 8/2-24/84 8/6-8/84 40/2-8/84 8/2-40/84 8/10-8/84 56/2-8/84 8/2-56/84 8/14-8/84