Subtract 30/84 from 28/6
1st number: 4 4/6, 2nd number: 30/84
28/6 - 30/84 is 181/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
28/6 = 28 × 14/6 × 14 = 392/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
30/84 = 30 × 1/84 × 1 = 30/84 - Subtract the two like fractions:
392/84 - 30/84 = 392 - 30/84 = 362/84 - After reducing the fraction, the answer is 181/42
- In mixed form: 413/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/6-30/84 28/6-60/84 28/12-30/84 84/6-30/84 28/6-90/84 28/18-30/84 28/30-30/84 28/42-30/84