Subtract 1/80 from 3/10
3/10 - 1/80 is 23/80.
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,
3/10 = 3 × 8/10 × 8 = 24/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
1/80 = 1 × 1/80 × 1 = 1/80 - Subtract the two like fractions:
24/80 - 1/80 = 24 - 1/80 = 23/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/10-1/80 3/10-2/80 3/20-1/80 9/10-1/80 3/10-3/80 3/30-1/80 15/10-1/80 3/10-5/80 3/50-1/80 21/10-1/80 3/10-7/80 3/70-1/80