Subtract 9/16 from 5/80
5/80 - 9/16 is -1/2.
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,
5/80 = 5 × 1/80 × 1 = 5/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
9/16 = 9 × 5/16 × 5 = 45/80 - Subtract the two like fractions:
5/80 - 45/80 = 5 - 45/80 = -40/80 - After reducing the fraction, the answer is -1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/80-9/16 5/80-18/16 5/80-9/32 15/80-9/16 5/80-27/16 5/80-9/48 25/80-9/16 5/80-45/16 5/80-9/80 35/80-9/16 5/80-63/16