Subtract 2/21 from 9/50
9/50 - 2/21 is 89/1050.
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,
2/21 = 2 × 50/21 × 50 = 100/1050 - Subtract the two like fractions:
189/1050 - 100/1050 = 189 - 100/1050 = 89/1050
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/50-2/21 9/50-4/21 9/50-2/42 27/50-2/21 9/50-6/21 9/50-2/63 45/50-2/21 9/50-10/21 63/50-2/21 9/50-14/21