Subtract 28/36 from 90/6
1st number: 15 0/6, 2nd number: 28/36
90/6 - 28/36 is 128/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 6 × 6 = 36,
90/6 = 90 × 6/6 × 6 = 540/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
28/36 = 28 × 1/36 × 1 = 28/36 - Subtract the two like fractions:
540/36 - 28/36 = 540 - 28/36 = 512/36 - After reducing the fraction, the answer is 128/9
- In mixed form: 142/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6-56/36 90/12-28/36 90/6-28/72 90/6-84/36 90/18-28/36 90/30-28/36 90/42-28/36