Subtract 14/72 from 28/12
1st number: 2 4/12, 2nd number: 14/72
28/12 - 14/72 is 77/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
28/12 = 28 × 6/12 × 6 = 168/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
14/72 = 14 × 1/72 × 1 = 14/72 - Subtract the two like fractions:
168/72 - 14/72 = 168 - 14/72 = 154/72 - After reducing the fraction, the answer is 77/36
- In mixed form: 25/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12-14/72 28/12-28/72 28/24-14/72 84/12-14/72 28/12-42/72 28/36-14/72 28/12-70/72 28/60-14/72 28/12-98/72 28/84-14/72