Subtract 6/84 from 2/20
2/20 - 6/84 is 1/35.
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,
2/20 = 2 × 21/20 × 21 = 42/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
6/84 = 6 × 5/84 × 5 = 30/420 - Subtract the two like fractions:
42/420 - 30/420 = 42 - 30/420 = 12/420 - After reducing the fraction, the answer is 1/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20-6/84 2/20-12/84 2/40-6/84 6/20-6/84 2/20-18/84 2/60-6/84 10/20-6/84 2/20-30/84 14/20-6/84 2/20-42/84