Subtract 35/50 from 6/21
6/21 - 35/50 is -29/70.
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,
6/21 = 6 × 50/21 × 50 = 300/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
35/50 = 35 × 21/50 × 21 = 735/1050 - Subtract the two like fractions:
300/1050 - 735/1050 = 300 - 735/1050 = -435/1050 - After reducing the fraction, the answer is -29/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/21-35/50 6/21-70/50 6/42-35/50 18/21-35/50 6/63-35/50 30/21-35/50 42/21-35/50