Subtract 7/80 from 40/9
1st number: 4 4/9, 2nd number: 7/80
409 - 780 is 3137720.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 9 × 80 = 720,
409 = 40 × 809 × 80 = 3200720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
780 = 7 × 980 × 9 = 63720 - Subtract the two like fractions:
3200720 - 63720 = 3200 - 63720 = 3137720 - In mixed form: 4257720
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/9-7/80 40/9-14/80 40/18-7/80 40/9-21/80 40/27-7/80 40/9-35/80 40/45-7/80 40/9-49/80 40/63-7/80