Subtract 8/25 from 80/21
1st number: 3 17/21, 2nd number: 8/25
80/21 - 8/25 is 1832/525.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 25 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
80/21 = 80 × 25/21 × 25 = 2000/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
8/25 = 8 × 21/25 × 21 = 168/525 - Subtract the two like fractions:
2000/525 - 168/525 = 2000 - 168/525 = 1832/525 - In mixed form: 3257/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/21-16/25 80/42-8/25 80/21-8/50 80/21-24/25 80/63-8/25 80/21-8/75 80/21-40/25 80/21-56/25