Subtract 4/80 from 80/36
1st number: 2 8/36, 2nd number: 4/80
80/36 - 4/80 is 391/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 36 × 20 = 720,
80/36 = 80 × 20/36 × 20 = 1600/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
4/80 = 4 × 9/80 × 9 = 36/720 - Subtract the two like fractions:
1600/720 - 36/720 = 1600 - 36/720 = 1564/720 - After reducing the fraction, the answer is 391/180
- In mixed form: 231/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/36-8/80 80/72-4/80 80/36-12/80 80/36-20/80 80/36-28/80