Subtract 1/84 from 28/12
1st number: 2 4/12, 2nd number: 1/84
28/12 - 1/84 is 65/28.
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,
1/84 = 1 × 1/84 × 1 = 1/84 - Subtract the two like fractions:
196/84 - 1/84 = 196 - 1/84 = 195/84 - After reducing the fraction, the answer is 65/28
- In mixed form: 29/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12-1/84 28/12-2/84 28/24-1/84 84/12-1/84 28/12-3/84 28/36-1/84 28/12-5/84 28/60-1/84 28/12-7/84 28/84-1/84