Subtract 4/50 from 21/12
1st number: 1 9/12, 2nd number: 4/50
21/12 - 4/50 is 167/100.
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,
4/50 = 4 × 6/50 × 6 = 24/300 - Subtract the two like fractions:
525/300 - 24/300 = 525 - 24/300 = 501/300 - After reducing the fraction, the answer is 167/100
- In mixed form: 167/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/12-4/50 21/12-8/50 21/24-4/50 63/12-4/50 21/12-12/50 21/36-4/50 21/12-20/50 21/60-4/50 21/12-28/50 21/84-4/50