Subtract 9/21 from 35/25
1st number: 1 10/25, 2nd number: 9/21
35/25 - 9/21 is 34/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 25 × 21 = 525,
35/25 = 35 × 21/25 × 21 = 735/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
9/21 = 9 × 25/21 × 25 = 225/525 - Subtract the two like fractions:
735/525 - 225/525 = 735 - 225/525 = 510/525 - After reducing the fraction, the answer is 34/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/25-9/21 35/25-18/21 35/50-9/21 35/25-9/42 35/25-27/21 35/75-9/21 35/25-9/63 35/25-45/21 35/25-63/21