Subtract 84/3 from 15/84
1st number: 15/84, 2nd number: 28 0/3
15/84 - 84/3 is -779/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 3 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
15/84 = 15 × 1/84 × 1 = 15/84 - Likewise, for the 2nd fraction, since 3 × 28 = 84,
84/3 = 84 × 28/3 × 28 = 2352/84 - Subtract the two like fractions:
15/84 - 2352/84 = 15 - 2352/84 = -2337/84 - After reducing the fraction, the answer is -779/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/84-84/3 15/84-84/6 45/84-84/3 15/84-84/9 75/84-84/3 15/84-84/15 15/84-84/21