Subtract 90/27 from 30/9
1st number: 3 3/9, 2nd number: 3 9/27
30/9 - 90/27 is 0/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 9 × 3 = 27,
30/9 = 30 × 3/9 × 3 = 90/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
90/27 = 90 × 1/27 × 1 = 90/27 - Subtract the two like fractions:
90/27 - 90/27 = 90 - 90/27 = 0/27 - The answer is 0
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9-90/27 30/18-90/27 30/9-90/54 90/9-90/27 30/27-90/27 30/9-90/81 30/45-90/27 30/63-90/27