Subtract 6/84 from 5/20
5/20 - 6/84 is 5/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
5/20 = 5 × 21/20 × 21 = 105/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
6/84 = 6 × 5/84 × 5 = 30/420 - Subtract the two like fractions:
105/420 - 30/420 = 105 - 30/420 = 75/420 - After reducing the fraction, the answer is 5/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20-6/84 5/20-12/84 5/40-6/84 15/20-6/84 5/20-18/84 5/60-6/84 25/20-6/84 5/20-30/84 35/20-6/84 5/20-42/84