Subtract 45/14 from 63/12
1st number: 5 3/12, 2nd number: 3 3/14
63/12 - 45/14 is 57/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 14 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 14 × 6 = 84,
45/14 = 45 × 6/14 × 6 = 270/84 - Subtract the two like fractions:
441/84 - 270/84 = 441 - 270/84 = 171/84 - After reducing the fraction, the answer is 57/28
- In mixed form: 21/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12-90/14 63/24-45/14 63/12-45/28 63/36-45/14 63/12-45/42 63/60-45/14 63/12-45/70 63/84-45/14 63/12-45/98