Subtract 15/16 from 1/80
1/80 - 15/16 is -37/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 16 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 16 × 5 = 80,
15/16 = 15 × 5/16 × 5 = 75/80 - Subtract the two like fractions:
1/80 - 75/80 = 1 - 75/80 = -74/80 - After reducing the fraction, the answer is -37/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/80-15/16 1/80-30/16 1/80-15/32 3/80-15/16 1/80-45/16 1/80-15/48 5/80-15/16 1/80-75/16 1/80-15/80 7/80-15/16