Subtract 9/16 from 9/25
9/25 - 9/16 is -81/400.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 16 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
9/25 = 9 × 16/25 × 16 = 144/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
9/16 = 9 × 25/16 × 25 = 225/400 - Subtract the two like fractions:
144/400 - 225/400 = 144 - 225/400 = -81/400
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/25-9/16 9/25-18/16 9/50-9/16 9/25-9/32 27/25-9/16 9/25-27/16 9/75-9/16 9/25-9/48 45/25-9/16 9/25-45/16 9/25-9/80 63/25-9/16 9/25-63/16