Subtract 27/4 from 7/84
1st number: 7/84, 2nd number: 6 3/4
7/84 - 27/4 is -20/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
7/84 = 7 × 1/84 × 1 = 7/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
27/4 = 27 × 21/4 × 21 = 567/84 - Subtract the two like fractions:
7/84 - 567/84 = 7 - 567/84 = -560/84 - After reducing the fraction, the answer is -20/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/84-27/4 7/84-54/4 7/84-27/8 21/84-27/4 7/84-81/4 7/84-27/12 35/84-27/4 7/84-27/20 49/84-27/4 7/84-27/28