Subtract 28/72 from 12/6
1st number: 2 0/6, 2nd number: 28/72
12/6 - 28/72 is 29/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 6 × 12 = 72,
12/6 = 12 × 12/6 × 12 = 144/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
28/72 = 28 × 1/72 × 1 = 28/72 - Subtract the two like fractions:
144/72 - 28/72 = 144 - 28/72 = 116/72 - After reducing the fraction, the answer is 29/18
- In mixed form: 111/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/6-28/72 12/6-56/72 36/6-28/72 12/6-84/72 12/18-28/72 60/6-28/72 12/30-28/72 84/6-28/72 12/42-28/72