Subtract 6/12 from 30/27
1st number: 1 3/27, 2nd number: 6/12
30/27 - 6/12 is 11/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
30/27 = 30 × 4/27 × 4 = 120/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
6/12 = 6 × 9/12 × 9 = 54/108 - Subtract the two like fractions:
120/108 - 54/108 = 120 - 54/108 = 66/108 - After reducing the fraction, the answer is 11/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/27-6/12 30/54-6/12 30/27-6/24 90/27-6/12 30/27-18/12 30/81-6/12 30/27-6/36 30/27-30/12 30/27-6/60 30/27-42/12 30/27-6/84