Subtract 4/16 from 3/80
3/80 - 4/16 is -17/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
3/80 = 3 × 1/80 × 1 = 3/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
4/16 = 4 × 5/16 × 5 = 20/80 - Subtract the two like fractions:
3/80 - 20/80 = 3 - 20/80 = -17/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/80-4/16 3/80-8/16 3/80-4/32 9/80-4/16 3/80-12/16 3/80-4/48 15/80-4/16 3/80-20/16 3/80-4/80 21/80-4/16 3/80-28/16