Subtract 4/80 from 20/3
1st number: 6 2/3, 2nd number: 4/80
20/3 - 4/80 is 397/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 3 × 80 = 240,
20/3 = 20 × 80/3 × 80 = 1600/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
4/80 = 4 × 3/80 × 3 = 12/240 - Subtract the two like fractions:
1600/240 - 12/240 = 1600 - 12/240 = 1588/240 - After reducing the fraction, the answer is 397/60
- In mixed form: 637/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/3-4/80 20/3-8/80 20/6-4/80 60/3-4/80 20/3-12/80 20/9-4/80 20/3-20/80 20/15-4/80 20/3-28/80 20/21-4/80