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