Subtract 50/90 from 80/12
1st number: 6 8/12, 2nd number: 50/90
80/12 - 50/90 is 55/9.
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,
80/12 = 80 × 15/12 × 15 = 1200/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
50/90 = 50 × 2/90 × 2 = 100/180 - Subtract the two like fractions:
1200/180 - 100/180 = 1200 - 100/180 = 1100/180 - After reducing the fraction, the answer is 55/9
- In mixed form: 61/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/24-50/90 80/36-50/90 80/60-50/90 80/84-50/90