Subtract 7/18 from 90/6
1st number: 15 0/6, 2nd number: 7/18
90/6 - 7/18 is 263/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
90/6 = 90 × 3/6 × 3 = 270/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
7/18 = 7 × 1/18 × 1 = 7/18 - Subtract the two like fractions:
270/18 - 7/18 = 270 - 7/18 = 263/18 - In mixed form: 1411/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6-14/18 90/12-7/18 90/6-7/36 90/6-21/18 90/18-7/18 90/6-7/54 90/6-35/18 90/30-7/18 90/6-7/90 90/6-49/18 90/42-7/18