Subtract 28/48 from 40/12
1st number: 3 4/12, 2nd number: 28/48
40/12 - 28/48 is 11/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 12 × 4 = 48,
40/12 = 40 × 4/12 × 4 = 160/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
28/48 = 28 × 1/48 × 1 = 28/48 - Subtract the two like fractions:
160/48 - 28/48 = 160 - 28/48 = 132/48 - After reducing the fraction, the answer is 11/4
- In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12-28/48 40/12-56/48 40/24-28/48 40/12-28/96 40/12-84/48 40/36-28/48 40/60-28/48 40/84-28/48