Subtract 6/7 from 12/3
1st number: 4 0/3, 2nd number: 6/7
12/3 - 6/7 is 22/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
12/3 = 12 × 7/3 × 7 = 84/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
6/7 = 6 × 3/7 × 3 = 18/21 - Subtract the two like fractions:
84/21 - 18/21 = 84 - 18/21 = 66/21 - After reducing the fraction, the answer is 22/7
- In mixed form: 31/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3-6/7 12/3-12/7 12/6-6/7 12/3-6/14 36/3-6/7 12/3-18/7 12/9-6/7 12/3-6/21 60/3-6/7 12/3-30/7 12/15-6/7 12/3-6/35 84/3-6/7 12/3-42/7 12/21-6/7 12/3-6/49