Subtract 10/12 from 27/9
1st number: 3 0/9, 2nd number: 10/12
27/9 - 10/12 is 13/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
27/9 = 27 × 4/9 × 4 = 108/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
10/12 = 10 × 3/12 × 3 = 30/36 - Subtract the two like fractions:
108/36 - 30/36 = 108 - 30/36 = 78/36 - After reducing the fraction, the answer is 13/6
- In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/9-10/12 27/9-20/12 27/18-10/12 27/9-10/24 81/9-10/12 27/9-30/12 27/9-10/36 27/9-50/12 27/45-10/12 27/9-10/60 27/9-70/12 27/63-10/12 27/9-10/84