Subtract 7/80 from 9/36
9/36 - 7/80 is 13/80.
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,
9/36 = 9 × 20/36 × 20 = 180/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
7/80 = 7 × 9/80 × 9 = 63/720 - Subtract the two like fractions:
180/720 - 63/720 = 180 - 63/720 = 117/720 - After reducing the fraction, the answer is 13/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/36-7/80 9/36-14/80 9/72-7/80 27/36-7/80 9/36-21/80 45/36-7/80 9/36-35/80 63/36-7/80 9/36-49/80