Subtract 10/12 from 28/75
28/75 - 10/12 is -23/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
28/75 = 28 × 4/75 × 4 = 112/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
10/12 = 10 × 25/12 × 25 = 250/300 - Subtract the two like fractions:
112/300 - 250/300 = 112 - 250/300 = -138/300 - After reducing the fraction, the answer is -23/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/75-10/12 28/75-20/12 28/75-10/24 84/75-10/12 28/75-30/12 28/75-10/36 28/75-50/12 28/75-10/60 28/75-70/12 28/75-10/84