Subtract 12/7 from 63/12
1st number: 5 3/12, 2nd number: 1 5/7
63/12 - 12/7 is 99/28.
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,
12/7 = 12 × 12/7 × 12 = 144/84 - Subtract the two like fractions:
441/84 - 144/84 = 441 - 144/84 = 297/84 - After reducing the fraction, the answer is 99/28
- In mixed form: 315/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12-24/7 63/24-12/7 63/12-12/14 63/12-36/7 63/36-12/7 63/12-12/21 63/12-60/7 63/60-12/7 63/12-12/35 63/12-84/7 63/84-12/7 63/12-12/49