Subtract 6/25 from 40/21
1st number: 1 19/21, 2nd number: 6/25
40/21 - 6/25 is 874/525.
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,
40/21 = 40 × 25/21 × 25 = 1000/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
6/25 = 6 × 21/25 × 21 = 126/525 - Subtract the two like fractions:
1000/525 - 126/525 = 1000 - 126/525 = 874/525 - In mixed form: 1349/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/21-6/25 40/21-12/25 40/42-6/25 40/21-6/50 40/21-18/25 40/63-6/25 40/21-6/75 40/21-30/25 40/21-42/25