Subtract 8/14 from 72/12
1st number: 6 0/12, 2nd number: 8/14
72/12 - 8/14 is 38/7.
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,
8/14 = 8 × 6/14 × 6 = 48/84 - Subtract the two like fractions:
504/84 - 48/84 = 504 - 48/84 = 456/84 - After reducing the fraction, the answer is 38/7
- In mixed form: 53/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12-16/14 72/24-8/14 72/12-8/28 72/12-24/14 72/36-8/14 72/12-8/42 72/12-40/14 72/60-8/14 72/12-8/70 72/12-56/14 72/84-8/14 72/12-8/98