Subtract 30/75 from 8/12
8/12 - 30/75 is 4/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
8/12 = 8 × 25/12 × 25 = 200/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
30/75 = 30 × 4/75 × 4 = 120/300 - Subtract the two like fractions:
200/300 - 120/300 = 200 - 120/300 = 80/300 - After reducing the fraction, the answer is 4/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/12-30/75 8/12-60/75 8/24-30/75 24/12-30/75 8/12-90/75 8/36-30/75 40/12-30/75 8/60-30/75 56/12-30/75 8/84-30/75