Subtract 9/18 from 84/3
1st number: 28 0/3, 2nd number: 9/18
84/3 - 9/18 is 55/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 3 × 6 = 18,
84/3 = 84 × 6/3 × 6 = 504/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
9/18 = 9 × 1/18 × 1 = 9/18 - Subtract the two like fractions:
504/18 - 9/18 = 504 - 9/18 = 495/18 - After reducing the fraction, the answer is 55/2
- In mixed form: 271/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/6-9/18 84/3-9/36 84/3-27/18 84/9-9/18 84/3-9/54 84/3-45/18 84/15-9/18 84/3-9/90 84/3-63/18 84/21-9/18