Subtract 32/21 from 12/6
1st number: 2 0/6, 2nd number: 1 11/21
12/6 - 32/21 is 10/21.
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,
12/6 = 12 × 7/6 × 7 = 84/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
32/21 = 32 × 2/21 × 2 = 64/42 - Subtract the two like fractions:
84/42 - 64/42 = 84 - 64/42 = 20/42 - After reducing the fraction, the answer is 10/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/6-32/21 12/6-64/21 12/6-32/42 36/6-32/21 12/6-96/21 12/18-32/21 12/6-32/63 60/6-32/21 12/30-32/21 84/6-32/21 12/42-32/21