Subtract 3/8 from 8/80
8/80 - 3/8 is -11/40.
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,
8/80 = 8 × 1/80 × 1 = 8/80 - Likewise, for the 2nd fraction, since 8 × 10 = 80,
3/8 = 3 × 10/8 × 10 = 30/80 - Subtract the two like fractions:
8/80 - 30/80 = 8 - 30/80 = -22/80 - After reducing the fraction, the answer is -11/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/80-3/8 8/80-6/8 8/80-3/16 24/80-3/8 8/80-9/8 8/80-3/24 40/80-3/8 8/80-15/8 8/80-3/40 56/80-3/8 8/80-21/8 8/80-3/56