Subtract 9/80 from 50/60
50/60 - 9/80 is 173/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
50/60 = 50 × 4/60 × 4 = 200/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
9/80 = 9 × 3/80 × 3 = 27/240 - Subtract the two like fractions:
200/240 - 27/240 = 200 - 27/240 = 173/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/60-18/80 50/60-27/80 50/60-45/80 50/60-63/80