Subtract 7/80 from 15/9
1st number: 1 6/9, 2nd number: 7/80
159 - 780 is 379240.
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,
159 = 15 × 809 × 80 = 1200720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
780 = 7 × 980 × 9 = 63720 - Subtract the two like fractions:
1200720 - 63720 = 1200 - 63720 = 1137720 - After reducing the fraction, the answer is 379240
- In mixed form: 1139240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/9-7/80 15/9-14/80 15/18-7/80 45/9-7/80 15/9-21/80 15/27-7/80 75/9-7/80 15/9-35/80 15/45-7/80 15/9-49/80 15/63-7/80