Subtract 16/80 from 80/18
1st number: 4 8/18, 2nd number: 16/80
80/18 - 16/80 is 191/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
80/18 = 80 × 40/18 × 40 = 3200/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
16/80 = 16 × 9/80 × 9 = 144/720 - Subtract the two like fractions:
3200/720 - 144/720 = 3200 - 144/720 = 3056/720 - After reducing the fraction, the answer is 191/45
- In mixed form: 411/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18-32/80 80/36-16/80 80/18-48/80 80/54-16/80 80/90-16/80