Subtract 2/20 from 84/9
1st number: 9 3/9, 2nd number: 2/20
84/9 - 2/20 is 277/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
84/9 = 84 × 20/9 × 20 = 1680/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
2/20 = 2 × 9/20 × 9 = 18/180 - Subtract the two like fractions:
1680/180 - 18/180 = 1680 - 18/180 = 1662/180 - After reducing the fraction, the answer is 277/30
- In mixed form: 97/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/9-4/20 84/18-2/20 84/9-2/40 84/9-6/20 84/27-2/20 84/9-2/60 84/9-10/20 84/45-2/20 84/9-14/20 84/63-2/20