Subtract 10/7 from 27/12
1st number: 2 3/12, 2nd number: 1 3/7
27/12 - 10/7 is 23/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
27/12 = 27 × 7/12 × 7 = 189/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
10/7 = 10 × 12/7 × 12 = 120/84 - Subtract the two like fractions:
189/84 - 120/84 = 189 - 120/84 = 69/84 - After reducing the fraction, the answer is 23/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12-10/7 27/12-20/7 27/24-10/7 27/12-10/14 81/12-10/7 27/12-30/7 27/36-10/7 27/12-10/21 27/12-50/7 27/60-10/7 27/12-10/35 27/12-70/7 27/84-10/7 27/12-10/49