Subtract 28/7 from 7/12
1st number: 7/12, 2nd number: 4 0/7
7/12 - 28/7 is -41/12.
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,
7/12 = 7 × 7/12 × 7 = 49/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
28/7 = 28 × 12/7 × 12 = 336/84 - Subtract the two like fractions:
49/84 - 336/84 = 49 - 336/84 = -287/84 - After reducing the fraction, the answer is -41/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/12-28/7 7/12-56/7 7/24-28/7 7/12-28/14 21/12-28/7 7/12-84/7 7/36-28/7 7/12-28/21 35/12-28/7 7/60-28/7 7/12-28/35 49/12-28/7 7/84-28/7 7/12-28/49