Subtract 2/21 from 8/6
1st number: 1 2/6, 2nd number: 2/21
8/6 - 2/21 is 26/21.
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,
8/6 = 8 × 7/6 × 7 = 56/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
2/21 = 2 × 2/21 × 2 = 4/42 - Subtract the two like fractions:
56/42 - 4/42 = 56 - 4/42 = 52/42 - After reducing the fraction, the answer is 26/21
- In mixed form: 15/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/6-2/21 8/6-4/21 8/12-2/21 8/6-2/42 24/6-2/21 8/6-6/21 8/18-2/21 8/6-2/63 40/6-2/21 8/6-10/21 8/30-2/21 56/6-2/21 8/6-14/21 8/42-2/21