Subtract 20/21 from 63/25
1st number: 2 13/25, 2nd number: 20/21
63/25 - 20/21 is 823/525.
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,
63/25 = 63 × 21/25 × 21 = 1323/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
20/21 = 20 × 25/21 × 25 = 500/525 - Subtract the two like fractions:
1323/525 - 500/525 = 1323 - 500/525 = 823/525 - In mixed form: 1298/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/25-40/21 63/50-20/21 63/25-20/42 63/25-60/21 63/75-20/21 63/25-20/63