Subtract 10/21 from 50/3
1st number: 16 2/3, 2nd number: 10/21
50/3 - 10/21 is 340/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 21 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
50/3 = 50 × 7/3 × 7 = 350/21 - Likewise, for the 2nd fraction, since 21 × 1 = 21,
10/21 = 10 × 1/21 × 1 = 10/21 - Subtract the two like fractions:
350/21 - 10/21 = 350 - 10/21 = 340/21 - In mixed form: 164/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/3-20/21 50/6-10/21 50/3-10/42 50/3-30/21 50/9-10/21 50/3-10/63 50/3-50/21 50/15-10/21 50/3-70/21 50/21-10/21