Subtract 4/8 from 3/80
3/80 - 4/8 is -37/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 8 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 8 × 10 = 80,
4/8 = 4 × 10/8 × 10 = 40/80 - Subtract the two like fractions:
3/80 - 40/80 = 3 - 40/80 = -37/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/80-4/8 3/80-4/16 9/80-4/8 3/80-12/8 3/80-4/24 15/80-4/8 3/80-20/8 3/80-4/40 21/80-4/8 3/80-28/8 3/80-4/56