Subtract 5/6 from 90/28
1st number: 3 6/28, 2nd number: 5/6
90/28 - 5/6 is 50/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
90/28 = 90 × 3/28 × 3 = 270/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
5/6 = 5 × 14/6 × 14 = 70/84 - Subtract the two like fractions:
270/84 - 70/84 = 270 - 70/84 = 200/84 - After reducing the fraction, the answer is 50/21
- In mixed form: 28/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28-10/6 90/56-5/6 90/28-5/12 90/28-15/6 90/84-5/6 90/28-5/18 90/28-25/6 90/28-5/30 90/28-35/6 90/28-5/42