Subtract 25/90 from 50/12
1st number: 4 2/12, 2nd number: 25/90
50/12 - 25/90 is 35/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
50/12 = 50 × 15/12 × 15 = 750/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
25/90 = 25 × 2/90 × 2 = 50/180 - Subtract the two like fractions:
750/180 - 50/180 = 750 - 50/180 = 700/180 - After reducing the fraction, the answer is 35/9
- In mixed form: 38/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/12-50/90 50/24-25/90 50/12-75/90 50/36-25/90 50/60-25/90 50/84-25/90