Subtract 21/25 from 25/2
1st number: 12 1/2, 2nd number: 21/25
25/2 - 21/25 is 583/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 25 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 2 × 25 = 50,
25/2 = 25 × 25/2 × 25 = 625/50 - Likewise, for the 2nd fraction, since 25 × 2 = 50,
21/25 = 21 × 2/25 × 2 = 42/50 - Subtract the two like fractions:
625/50 - 42/50 = 625 - 42/50 = 583/50 - In mixed form: 1133/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/2-21/25 25/2-42/25 25/4-21/25 25/2-21/50 75/2-21/25 25/2-63/25 25/6-21/25 25/2-21/75 25/10-21/25 25/14-21/25