Subtract 64/25 from 25/21
1st number: 1 4/21, 2nd number: 2 14/25
25/21 - 64/25 is -719/525.
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,
25/21 = 25 × 25/21 × 25 = 625/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
64/25 = 64 × 21/25 × 21 = 1344/525 - Subtract the two like fractions:
625/525 - 1344/525 = 625 - 1344/525 = -719/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/21-64/25 25/42-64/25 25/21-64/50 75/21-64/25 25/63-64/25 25/21-64/75