Subtract 3/9 from 30/27
1st number: 1 3/27, 2nd number: 3/9
30/27 - 3/9 is 7/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 9 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 27 × 1 = 27,
30/27 = 30 × 1/27 × 1 = 30/27 - Likewise, for the 2nd fraction, since 9 × 3 = 27,
3/9 = 3 × 3/9 × 3 = 9/27 - Subtract the two like fractions:
30/27 - 9/27 = 30 - 9/27 = 21/27 - After reducing the fraction, the answer is 7/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/27-3/9 30/27-6/9 30/54-3/9 30/27-3/18 90/27-3/9 30/81-3/9 30/27-3/27 30/27-15/9 30/27-3/45 30/27-21/9 30/27-3/63