Subtract 90/28 from 6/14
1st number: 6/14, 2nd number: 3 6/28
6/14 - 90/28 is -39/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
6/14 = 6 × 2/14 × 2 = 12/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
90/28 = 90 × 1/28 × 1 = 90/28 - Subtract the two like fractions:
12/28 - 90/28 = 12 - 90/28 = -78/28 - After reducing the fraction, the answer is -39/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/14-90/28 6/28-90/28 6/14-90/56 18/14-90/28 6/42-90/28 6/14-90/84 30/14-90/28 6/70-90/28 42/14-90/28 6/98-90/28