Subtract 6/21 from 9/50
9/50 - 6/21 is -37/350.
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,
6/21 = 6 × 50/21 × 50 = 300/1050 - Subtract the two like fractions:
189/1050 - 300/1050 = 189 - 300/1050 = -111/1050 - After reducing the fraction, the answer is -37/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/50-6/21 9/50-12/21 9/50-6/42 27/50-6/21 9/50-18/21 9/50-6/63 45/50-6/21 9/50-30/21 63/50-6/21 9/50-42/21