Subtract 90/75 from 50/12
1st number: 4 2/12, 2nd number: 1 15/75
50/12 - 90/75 is 89/30.
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,
50/12 = 50 × 25/12 × 25 = 1250/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
90/75 = 90 × 4/75 × 4 = 360/300 - Subtract the two like fractions:
1250/300 - 360/300 = 1250 - 360/300 = 890/300 - After reducing the fraction, the answer is 89/30
- In mixed form: 229/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/24-90/75 50/36-90/75 50/60-90/75 50/84-90/75