Subtract 9/12 from 45/14
1st number: 3 3/14, 2nd number: 9/12
45/14 - 9/12 is 69/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
45/14 = 45 × 6/14 × 6 = 270/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
9/12 = 9 × 7/12 × 7 = 63/84 - Subtract the two like fractions:
270/84 - 63/84 = 270 - 63/84 = 207/84 - After reducing the fraction, the answer is 69/28
- In mixed form: 213/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14-9/12 45/14-18/12 45/28-9/12 45/14-9/24 45/14-27/12 45/42-9/12 45/14-9/36 45/14-45/12 45/70-9/12 45/14-9/60 45/14-63/12 45/98-9/12 45/14-9/84