Subtract 4/16 from 8/80
8/80 - 4/16 is -3/20.
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,
8/80 = 8 × 1/80 × 1 = 8/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
4/16 = 4 × 5/16 × 5 = 20/80 - Subtract the two like fractions:
8/80 - 20/80 = 8 - 20/80 = -12/80 - After reducing the fraction, the answer is -3/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/80-4/16 8/80-8/16 8/80-4/32 24/80-4/16 8/80-12/16 8/80-4/48 40/80-4/16 8/80-20/16 8/80-4/80 56/80-4/16 8/80-28/16