Subtract 5/60 from 3/80
3/80 - 5/60 is -11/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 60 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
3/80 = 3 × 3/80 × 3 = 9/240 - Likewise, for the 2nd fraction, since 60 × 4 = 240,
5/60 = 5 × 4/60 × 4 = 20/240 - Subtract the two like fractions:
9/240 - 20/240 = 9 - 20/240 = -11/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/80-5/60 3/80-10/60 9/80-5/60 3/80-15/60 15/80-5/60 3/80-25/60 21/80-5/60 3/80-35/60