Subtract 45/80 from 50/2
1st number: 25 0/2, 2nd number: 45/80
50/2 - 45/80 is 391/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
50/2 = 50 × 40/2 × 40 = 2000/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
45/80 = 45 × 1/80 × 1 = 45/80 - Subtract the two like fractions:
2000/80 - 45/80 = 2000 - 45/80 = 1955/80 - After reducing the fraction, the answer is 391/16
- In mixed form: 247/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/2-90/80 50/4-45/80 50/6-45/80 50/10-45/80 50/14-45/80