Subtract 15/75 from 40/12
1st number: 3 4/12, 2nd number: 15/75
40/12 - 15/75 is 47/15.
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,
40/12 = 40 × 25/12 × 25 = 1000/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
15/75 = 15 × 4/75 × 4 = 60/300 - Subtract the two like fractions:
1000/300 - 60/300 = 1000 - 60/300 = 940/300 - After reducing the fraction, the answer is 47/15
- In mixed form: 32/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12-15/75 40/12-30/75 40/24-15/75 40/12-45/75 40/36-15/75 40/60-15/75 40/84-15/75