Subtract 9/16 from 25/80
25/80 - 9/16 is -1/4.
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,
25/80 = 25 × 1/80 × 1 = 25/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
9/16 = 9 × 5/16 × 5 = 45/80 - Subtract the two like fractions:
25/80 - 45/80 = 25 - 45/80 = -20/80 - After reducing the fraction, the answer is -1/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/80-9/16 25/80-18/16 25/80-9/32 75/80-9/16 25/80-27/16 25/80-9/48 25/80-45/16 25/80-9/80 25/80-63/16