Subtract 7/28 from 6/84
6/84 - 7/28 is -5/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
6/84 = 6 × 1/84 × 1 = 6/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
7/28 = 7 × 3/28 × 3 = 21/84 - Subtract the two like fractions:
6/84 - 21/84 = 6 - 21/84 = -15/84 - After reducing the fraction, the answer is -5/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/84-7/28 6/84-14/28 6/84-7/56 18/84-7/28 6/84-21/28 6/84-7/84 30/84-7/28 6/84-35/28 42/84-7/28 6/84-49/28