Subtract 16/7 from 72/12
1st number: 6 0/12, 2nd number: 2 2/7
72/12 - 16/7 is 26/7.
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,
72/12 = 72 × 7/12 × 7 = 504/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
16/7 = 16 × 12/7 × 12 = 192/84 - Subtract the two like fractions:
504/84 - 192/84 = 504 - 192/84 = 312/84 - After reducing the fraction, the answer is 26/7
- In mixed form: 35/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12-32/7 72/24-16/7 72/12-16/14 72/12-48/7 72/36-16/7 72/12-16/21 72/12-80/7 72/60-16/7 72/12-16/35 72/84-16/7 72/12-16/49