Subtract 27/50 from 21/2
1st number: 10 1/2, 2nd number: 27/50
21/2 - 27/50 is 249/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 2 × 25 = 50,
21/2 = 21 × 25/2 × 25 = 525/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
27/50 = 27 × 1/50 × 1 = 27/50 - Subtract the two like fractions:
525/50 - 27/50 = 525 - 27/50 = 498/50 - After reducing the fraction, the answer is 249/25
- In mixed form: 924/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/2-27/50 21/2-54/50 21/4-27/50 63/2-27/50 21/2-81/50 21/6-27/50 21/10-27/50 21/14-27/50