Subtract 1/80 from 7/10
7/10 - 1/80 is 11/16.
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,
7/10 = 7 × 8/10 × 8 = 56/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
1/80 = 1 × 1/80 × 1 = 1/80 - Subtract the two like fractions:
56/80 - 1/80 = 56 - 1/80 = 55/80 - After reducing the fraction, the answer is 11/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10-1/80 7/10-2/80 7/20-1/80 21/10-1/80 7/10-3/80 7/30-1/80 35/10-1/80 7/10-5/80 7/50-1/80 49/10-1/80 7/10-7/80 7/70-1/80