Subtract 5/21 from 50/6
1st number: 8 2/6, 2nd number: 5/21
50/6 - 5/21 is 170/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
50/6 = 50 × 7/6 × 7 = 350/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
5/21 = 5 × 2/21 × 2 = 10/42 - Subtract the two like fractions:
350/42 - 10/42 = 350 - 10/42 = 340/42 - After reducing the fraction, the answer is 170/21
- In mixed form: 82/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/6-10/21 50/12-5/21 50/6-5/42 50/6-15/21 50/18-5/21 50/6-5/63 50/6-25/21 50/30-5/21 50/6-35/21 50/42-5/21