Subtract 27/3 from 20/84
1st number: 20/84, 2nd number: 9 0/3
20/84 - 27/3 is -184/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 3 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84 - Likewise, for the 2nd fraction, since 3 × 28 = 84,
27/3 = 27 × 28/3 × 28 = 756/84 - Subtract the two like fractions:
20/84 - 756/84 = 20 - 756/84 = -736/84 - After reducing the fraction, the answer is -184/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/84-27/3 20/84-54/3 20/84-27/6 60/84-27/3 20/84-81/3 20/84-27/9 20/84-27/15 20/84-27/21