Subtract 81/75 from 4/12
1st number: 4/12, 2nd number: 1 6/75
4/12 - 81/75 is -56/75.
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,
81/75 = 81 × 4/75 × 4 = 324/300 - Subtract the two like fractions:
100/300 - 324/300 = 100 - 324/300 = -224/300 - After reducing the fraction, the answer is -56/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/12-81/75 4/24-81/75 4/36-81/75 20/12-81/75 4/60-81/75 28/12-81/75 4/84-81/75