Subtract 6/70 from 6/84
6/84 - 6/70 is -1/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
6/84 = 6 × 5/84 × 5 = 30/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
6/70 = 6 × 6/70 × 6 = 36/420 - Subtract the two like fractions:
30/420 - 36/420 = 30 - 36/420 = -6/420 - After reducing the fraction, the answer is -1/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/84-6/70 6/84-12/70 18/84-6/70 6/84-18/70 30/84-6/70 6/84-30/70 42/84-6/70 6/84-42/70