Subtract 45/25 from 45/16
1st number: 2 13/16, 2nd number: 1 20/25
45/16 - 45/25 is 81/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 25 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 16 × 25 = 400,
45/16 = 45 × 25/16 × 25 = 1125/400 - Likewise, for the 2nd fraction, since 25 × 16 = 400,
45/25 = 45 × 16/25 × 16 = 720/400 - Subtract the two like fractions:
1125/400 - 720/400 = 1125 - 720/400 = 405/400 - After reducing the fraction, the answer is 81/80
- In mixed form: 11/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16-45/25 45/16-90/25 45/32-45/25 45/16-45/50 45/48-45/25 45/16-45/75 45/80-45/25