Subtract 21/70 from 50/6
1st number: 8 2/6, 2nd number: 21/70
50/6 - 21/70 is 241/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 6 × 35 = 210,
50/6 = 50 × 35/6 × 35 = 1750/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
21/70 = 21 × 3/70 × 3 = 63/210 - Subtract the two like fractions:
1750/210 - 63/210 = 1750 - 63/210 = 1687/210 - After reducing the fraction, the answer is 241/30
- In mixed form: 81/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/6-42/70 50/12-21/70 50/6-63/70 50/18-21/70 50/30-21/70 50/42-21/70