Subtract 8/80 from 40/3
1st number: 13 1/3, 2nd number: 8/80
40/3 - 8/80 is 397/30.
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,
40/3 = 40 × 80/3 × 80 = 3200/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
8/80 = 8 × 3/80 × 3 = 24/240 - Subtract the two like fractions:
3200/240 - 24/240 = 3200 - 24/240 = 3176/240 - After reducing the fraction, the answer is 397/30
- In mixed form: 137/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3-8/80 40/3-16/80 40/6-8/80 40/3-24/80 40/9-8/80 40/3-40/80 40/15-8/80 40/3-56/80 40/21-8/80