Subtract 9/7 from 63/12
1st number: 5 3/12, 2nd number: 1 2/7
63/12 - 9/7 is 111/28.
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,
63/12 = 63 × 7/12 × 7 = 441/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
9/7 = 9 × 12/7 × 12 = 108/84 - Subtract the two like fractions:
441/84 - 108/84 = 441 - 108/84 = 333/84 - After reducing the fraction, the answer is 111/28
- In mixed form: 327/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12-18/7 63/24-9/7 63/12-9/14 63/12-27/7 63/36-9/7 63/12-9/21 63/12-45/7 63/60-9/7 63/12-9/35 63/12-63/7 63/84-9/7 63/12-9/49