Subtract 28/9 from 14/84
1st number: 14/84, 2nd number: 3 1/9
14/84 - 28/9 is -53/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
14/84 = 14 × 3/84 × 3 = 42/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
28/9 = 28 × 28/9 × 28 = 784/252 - Subtract the two like fractions:
42/252 - 784/252 = 42 - 784/252 = -742/252 - After reducing the fraction, the answer is -53/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/84-28/9 14/84-56/9 14/84-28/18 42/84-28/9 14/84-84/9 14/84-28/27 70/84-28/9 14/84-28/45 98/84-28/9 14/84-28/63