Subtract 24/21 from 25/50
1st number: 25/50, 2nd number: 1 3/21
25/50 - 24/21 is -9/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
25/50 = 25 × 21/50 × 21 = 525/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
24/21 = 24 × 50/21 × 50 = 1200/1050 - Subtract the two like fractions:
525/1050 - 1200/1050 = 525 - 1200/1050 = -675/1050 - After reducing the fraction, the answer is -9/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 25/50-48/21 25/50-24/42 75/50-24/21 25/50-72/21 25/50-24/63