Subtract 3/25 from 84/21
1st number: 4 0/21, 2nd number: 3/25
84/21 - 3/25 is 97/25.
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,
84/21 = 84 × 25/21 × 25 = 2100/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
3/25 = 3 × 21/25 × 21 = 63/525 - Subtract the two like fractions:
2100/525 - 63/525 = 2100 - 63/525 = 2037/525 - After reducing the fraction, the answer is 97/25
- In mixed form: 322/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/21-6/25 84/42-3/25 84/21-3/50 84/21-9/25 84/63-3/25 84/21-3/75 84/21-15/25 84/21-21/25