Subtract 2/5 from 1/80
1/80 - 2/5 is -31/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
1/80 = 1 × 1/80 × 1 = 1/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
2/5 = 2 × 16/5 × 16 = 32/80 - Subtract the two like fractions:
1/80 - 32/80 = 1 - 32/80 = -31/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/80-2/5 1/80-4/5 1/80-2/10 3/80-2/5 1/80-6/5 1/80-2/15 5/80-2/5 1/80-10/5 1/80-2/25 7/80-2/5 1/80-14/5 1/80-2/35