Subtract 70/75 from 4/12
4/12 - 70/75 is -3/5.
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,
4/12 = 4 × 25/12 × 25 = 100/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
70/75 = 70 × 4/75 × 4 = 280/300 - Subtract the two like fractions:
100/300 - 280/300 = 100 - 280/300 = -180/300 - After reducing the fraction, the answer is -3/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/12-70/75 4/24-70/75 4/36-70/75 20/12-70/75 4/60-70/75 28/12-70/75 4/84-70/75