Subtract 84/9 from 28/60
1st number: 28/60, 2nd number: 9 3/9
28/60 - 84/9 is -133/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
28/60 = 28 × 3/60 × 3 = 84/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
84/9 = 84 × 20/9 × 20 = 1680/180 - Subtract the two like fractions:
84/180 - 1680/180 = 84 - 1680/180 = -1596/180 - After reducing the fraction, the answer is -133/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/60-84/9 28/60-84/18 84/60-84/9 28/60-84/27 28/60-84/45 28/60-84/63