Subtract 16/80 from 20/6
1st number: 3 2/6, 2nd number: 16/80
20/6 - 16/80 is 47/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 6 × 40 = 240,
20/6 = 20 × 40/6 × 40 = 800/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
16/80 = 16 × 3/80 × 3 = 48/240 - Subtract the two like fractions:
800/240 - 48/240 = 800 - 48/240 = 752/240 - After reducing the fraction, the answer is 47/15
- In mixed form: 32/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6-16/80 20/6-32/80 20/12-16/80 60/6-16/80 20/6-48/80 20/18-16/80 20/30-16/80 20/42-16/80