Subtract 32/40 from 20/6
1st number: 3 2/6, 2nd number: 32/40
20/6 - 32/40 is 38/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
20/6 = 20 × 20/6 × 20 = 400/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
32/40 = 32 × 3/40 × 3 = 96/120 - Subtract the two like fractions:
400/120 - 96/120 = 400 - 96/120 = 304/120 - After reducing the fraction, the answer is 38/15
- In mixed form: 28/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6-32/40 20/6-64/40 20/12-32/40 20/6-32/80 60/6-32/40 20/6-96/40 20/18-32/40 20/30-32/40 20/42-32/40