Subtract 16/21 from 9/50
9/50 - 16/21 is -611/1050.
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,
9/50 = 9 × 21/50 × 21 = 189/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
16/21 = 16 × 50/21 × 50 = 800/1050 - Subtract the two like fractions:
189/1050 - 800/1050 = 189 - 800/1050 = -611/1050
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/50-16/21 9/50-32/21 9/50-16/42 27/50-16/21 9/50-48/21 9/50-16/63 45/50-16/21 9/50-80/21 63/50-16/21