Subtract 6/84 from 2/30
2/30 - 6/84 is -1/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
2/30 = 2 × 14/30 × 14 = 28/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
6/84 = 6 × 5/84 × 5 = 30/420 - Subtract the two like fractions:
28/420 - 30/420 = 28 - 30/420 = -2/420 - After reducing the fraction, the answer is -1/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30-6/84 2/30-12/84 2/60-6/84 6/30-6/84 2/30-18/84 2/90-6/84 10/30-6/84 2/30-30/84 14/30-6/84 2/30-42/84