Subtract 28/80 from 50/25
1st number: 2 0/25, 2nd number: 28/80
50/25 - 28/80 is 33/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
50/25 = 50 × 16/25 × 16 = 800/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
28/80 = 28 × 5/80 × 5 = 140/400 - Subtract the two like fractions:
800/400 - 140/400 = 800 - 140/400 = 660/400 - After reducing the fraction, the answer is 33/20
- In mixed form: 113/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/25-56/80 50/25-84/80 50/75-28/80