Subtract 45/12 from 5/75
1st number: 5/75, 2nd number: 3 9/12
5/75 - 45/12 is -221/60.
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,
5/75 = 5 × 4/75 × 4 = 20/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
45/12 = 45 × 25/12 × 25 = 1125/300 - Subtract the two like fractions:
20/300 - 1125/300 = 20 - 1125/300 = -1105/300 - After reducing the fraction, the answer is -221/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/75-45/12 5/75-90/12 5/75-45/24 15/75-45/12 5/75-45/36 25/75-45/12 5/75-45/60 35/75-45/12 5/75-45/84