Subtract 84/28 from 6/18
1st number: 6/18, 2nd number: 3 0/28
6/18 - 84/28 is -8/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
6/18 = 6 × 14/18 × 14 = 84/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
84/28 = 84 × 9/28 × 9 = 756/252 - Subtract the two like fractions:
84/252 - 756/252 = 84 - 756/252 = -672/252 - After reducing the fraction, the answer is -8/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/18-84/28 6/36-84/28 6/18-84/56 6/54-84/28 30/18-84/28 6/90-84/28 42/18-84/28