Subtract 8/84 from 20/75
20/75 - 8/84 is 6/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
20/75 = 20 × 28/75 × 28 = 560/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
8/84 = 8 × 25/84 × 25 = 200/2100 - Subtract the two like fractions:
560/2100 - 200/2100 = 560 - 200/2100 = 360/2100 - After reducing the fraction, the answer is 6/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75-8/84 20/75-16/84 60/75-8/84 20/75-24/84 20/75-40/84 20/75-56/84