Subtract 32/6 from 20/21
1st number: 20/21, 2nd number: 5 2/6
20/21 - 32/6 is -92/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
20/21 = 20 × 2/21 × 2 = 40/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
32/6 = 32 × 7/6 × 7 = 224/42 - Subtract the two like fractions:
40/42 - 224/42 = 40 - 224/42 = -184/42 - After reducing the fraction, the answer is -92/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/21-32/6 20/21-64/6 20/42-32/6 20/21-32/12 60/21-32/6 20/21-96/6 20/63-32/6 20/21-32/18 20/21-32/30 20/21-32/42