Subtract 7/80 from 80/2
1st number: 40 0/2, 2nd number: 7/80
80/2 - 7/80 is 3193/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
80/2 = 80 × 40/2 × 40 = 3200/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
7/80 = 7 × 1/80 × 1 = 7/80 - Subtract the two like fractions:
3200/80 - 7/80 = 3200 - 7/80 = 3193/80 - In mixed form: 3973/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2-14/80 80/4-7/80 80/2-21/80 80/6-7/80 80/2-35/80 80/10-7/80 80/2-49/80 80/14-7/80