Subtract 4/75 from 45/12
1st number: 3 9/12, 2nd number: 4/75
45/12 - 4/75 is 1109/300.
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,
45/12 = 45 × 25/12 × 25 = 1125/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
4/75 = 4 × 4/75 × 4 = 16/300 - Subtract the two like fractions:
1125/300 - 16/300 = 1125 - 16/300 = 1109/300 - In mixed form: 3209/300
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12-4/75 45/12-8/75 45/24-4/75 45/12-12/75 45/36-4/75 45/12-20/75 45/60-4/75 45/12-28/75 45/84-4/75