Subtract 49/80 from 1/10
1/10 - 49/80 is -41/80.
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,
1/10 = 1 × 8/10 × 8 = 8/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
49/80 = 49 × 1/80 × 1 = 49/80 - Subtract the two like fractions:
8/80 - 49/80 = 8 - 49/80 = -41/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/10-49/80 1/10-98/80 1/20-49/80 3/10-49/80 1/30-49/80 5/10-49/80 1/50-49/80 7/10-49/80 1/70-49/80