Subtract 1/80 from 4/10
4/10 - 1/80 is 31/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
4/10 = 4 × 8/10 × 8 = 32/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
1/80 = 1 × 1/80 × 1 = 1/80 - Subtract the two like fractions:
32/80 - 1/80 = 32 - 1/80 = 31/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10-1/80 4/10-2/80 4/20-1/80 12/10-1/80 4/10-3/80 4/30-1/80 20/10-1/80 4/10-5/80 4/50-1/80 28/10-1/80 4/10-7/80 4/70-1/80