Subtract 1/50 from 21/12
1st number: 1 9/12, 2nd number: 1/50
21/12 - 1/50 is 173/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 50 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
21/12 = 21 × 25/12 × 25 = 525/300 - Likewise, for the 2nd fraction, since 50 × 6 = 300,
1/50 = 1 × 6/50 × 6 = 6/300 - Subtract the two like fractions:
525/300 - 6/300 = 525 - 6/300 = 519/300 - After reducing the fraction, the answer is 173/100
- In mixed form: 173/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/12-1/50 21/12-2/50 21/24-1/50 63/12-1/50 21/12-3/50 21/36-1/50 21/12-5/50 21/60-1/50 21/12-7/50 21/84-1/50