Subtract 98/25 from 9/21
1st number: 9/21, 2nd number: 3 23/25
9/21 - 98/25 is -611/175.
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,
9/21 = 9 × 25/21 × 25 = 225/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
98/25 = 98 × 21/25 × 21 = 2058/525 - Subtract the two like fractions:
225/525 - 2058/525 = 225 - 2058/525 = -1833/525 - After reducing the fraction, the answer is -611/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/21-98/25 9/42-98/25 9/21-98/50 27/21-98/25 9/63-98/25 9/21-98/75 45/21-98/25 63/21-98/25