Subtract 75/18 from 28/12
1st number: 2 4/12, 2nd number: 4 3/18
28/12 - 75/18 is -11/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
28/12 = 28 × 3/12 × 3 = 84/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
75/18 = 75 × 2/18 × 2 = 150/36 - Subtract the two like fractions:
84/36 - 150/36 = 84 - 150/36 = -66/36 - After reducing the fraction, the answer is -11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12-75/18 28/24-75/18 28/12-75/36 84/12-75/18 28/36-75/18 28/12-75/54 28/60-75/18 28/12-75/90 28/84-75/18