Subtract 84/7 from 2/3
1st number: 2/3, 2nd number: 12 0/7
2/3 - 84/7 is -34/3.
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,
2/3 = 2 × 7/3 × 7 = 14/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
84/7 = 84 × 3/7 × 3 = 252/21 - Subtract the two like fractions:
14/21 - 252/21 = 14 - 252/21 = -238/21 - After reducing the fraction, the answer is -34/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/3-84/7 2/6-84/7 2/3-84/14 6/3-84/7 2/9-84/7 2/3-84/21 10/3-84/7 2/15-84/7 2/3-84/35 14/3-84/7 2/21-84/7 2/3-84/49