Subtract 30/12 from 75/3
1st number: 25 0/3, 2nd number: 2 6/12
75/3 - 30/12 is 45/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
75/3 = 75 × 4/3 × 4 = 300/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
30/12 = 30 × 1/12 × 1 = 30/12 - Subtract the two like fractions:
300/12 - 30/12 = 300 - 30/12 = 270/12 - After reducing the fraction, the answer is 45/2
- In mixed form: 221/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/3-60/12 75/6-30/12 75/3-30/24 75/3-90/12 75/9-30/12 75/3-30/36 75/15-30/12 75/3-30/60 75/21-30/12 75/3-30/84