Subtract 9/84 from 27/9
1st number: 3 0/9, 2nd number: 9/84
27/9 - 9/84 is 81/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
27/9 = 27 × 28/9 × 28 = 756/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
9/84 = 9 × 3/84 × 3 = 27/252 - Subtract the two like fractions:
756/252 - 27/252 = 756 - 27/252 = 729/252 - After reducing the fraction, the answer is 81/28
- In mixed form: 225/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/9-9/84 27/9-18/84 27/18-9/84 81/9-9/84 27/9-27/84 27/9-45/84 27/45-9/84 27/9-63/84 27/63-9/84