Subtract 28/8 from 90/6
1st number: 15 0/6, 2nd number: 3 4/8
90/6 - 28/8 is 23/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 6 × 4 = 24,
90/6 = 90 × 4/6 × 4 = 360/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
28/8 = 28 × 3/8 × 3 = 84/24 - Subtract the two like fractions:
360/24 - 84/24 = 360 - 84/24 = 276/24 - After reducing the fraction, the answer is 23/2
- In mixed form: 111/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6-56/8 90/12-28/8 90/6-28/16 90/6-84/8 90/18-28/8 90/6-28/24 90/30-28/8 90/6-28/40 90/42-28/8 90/6-28/56