Subtract 16/12 from 15/75
1st number: 15/75, 2nd number: 1 4/12
15/75 - 16/12 is -17/15.
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,
15/75 = 15 × 4/75 × 4 = 60/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
16/12 = 16 × 25/12 × 25 = 400/300 - Subtract the two like fractions:
60/300 - 400/300 = 60 - 400/300 = -340/300 - After reducing the fraction, the answer is -17/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/75-16/12 15/75-32/12 15/75-16/24 45/75-16/12 15/75-48/12 15/75-16/36 15/75-80/12 15/75-16/60 15/75-16/84