Subtract 2/84 from 28/12
1st number: 2 4/12, 2nd number: 2/84
28/12 - 2/84 is 97/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
28/12 = 28 × 7/12 × 7 = 196/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
2/84 = 2 × 1/84 × 1 = 2/84 - Subtract the two like fractions:
196/84 - 2/84 = 196 - 2/84 = 194/84 - After reducing the fraction, the answer is 97/42
- In mixed form: 213/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12-2/84 28/12-4/84 28/24-2/84 84/12-2/84 28/12-6/84 28/36-2/84 28/12-10/84 28/60-2/84 28/12-14/84 28/84-2/84