Subtract 20/27 from 27/12
1st number: 2 3/12, 2nd number: 20/27
2712 - 2027 is 163108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
2712 = 27 × 912 × 9 = 243108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
2027 = 20 × 427 × 4 = 80108 - Subtract the two like fractions:
243108 - 80108 = 243 - 80108 = 163108 - In mixed form: 155108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12-20/27 27/12-40/27 27/24-20/27 27/12-20/54 81/12-20/27 27/12-60/27 27/36-20/27 27/12-20/81 27/60-20/27 27/84-20/27