Subtract 84/18 from 20/2
1st number: 10 0/2, 2nd number: 4 12/18
20/2 - 84/18 is 16/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
20/2 = 20 × 9/2 × 9 = 180/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
84/18 = 84 × 1/18 × 1 = 84/18 - Subtract the two like fractions:
180/18 - 84/18 = 180 - 84/18 = 96/18 - After reducing the fraction, the answer is 16/3
- In mixed form: 51/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2-84/18 20/4-84/18 20/2-84/36 60/2-84/18 20/6-84/18 20/2-84/54 20/10-84/18 20/2-84/90 20/14-84/18