Subtract 14/42 from 14/84
14/84 - 14/42 is -1/6.
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,
14/84 = 14 × 1/84 × 1 = 14/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
14/42 = 14 × 2/42 × 2 = 28/84 - Subtract the two like fractions:
14/84 - 28/84 = 14 - 28/84 = -14/84 - After reducing the fraction, the answer is -1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/84-14/42 14/84-28/42 14/84-14/84 42/84-14/42 70/84-14/42 14/84-70/42 98/84-14/42 14/84-98/42