Subtract 90/28 from 90/6
1st number: 15 0/6, 2nd number: 3 6/28
90/6 - 90/28 is 165/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
90/6 = 90 × 14/6 × 14 = 1260/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
90/28 = 90 × 3/28 × 3 = 270/84 - Subtract the two like fractions:
1260/84 - 270/84 = 1260 - 270/84 = 990/84 - After reducing the fraction, the answer is 165/14
- In mixed form: 1111/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12-90/28 90/6-90/56 90/18-90/28 90/6-90/84 90/30-90/28 90/42-90/28