Subtract 8/50 from 1/21
1/21 - 8/50 is -59/525.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 21 × 50 = 1050,
1/21 = 1 × 50/21 × 50 = 50/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
8/50 = 8 × 21/50 × 21 = 168/1050 - Subtract the two like fractions:
50/1050 - 168/1050 = 50 - 168/1050 = -118/1050 - After reducing the fraction, the answer is -59/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21-8/50 1/21-16/50 1/42-8/50 3/21-8/50 1/21-24/50 1/63-8/50 5/21-8/50 1/21-40/50 7/21-8/50 1/21-56/50