Subtract 3/14 from 72/12
1st number: 6 0/12, 2nd number: 3/14
72/12 - 3/14 is 81/14.
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,
72/12 = 72 × 7/12 × 7 = 504/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
3/14 = 3 × 6/14 × 6 = 18/84 - Subtract the two like fractions:
504/84 - 18/84 = 504 - 18/84 = 486/84 - After reducing the fraction, the answer is 81/14
- In mixed form: 511/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12-6/14 72/24-3/14 72/12-3/28 72/12-9/14 72/36-3/14 72/12-3/42 72/12-15/14 72/60-3/14 72/12-3/70 72/12-21/14 72/84-3/14 72/12-3/98