Subtract 27/16 from 45/25
1st number: 1 20/25, 2nd number: 1 11/16
45/25 - 27/16 is 9/80.
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,
45/25 = 45 × 16/25 × 16 = 720/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
27/16 = 27 × 25/16 × 25 = 675/400 - Subtract the two like fractions:
720/400 - 675/400 = 720 - 675/400 = 45/400 - After reducing the fraction, the answer is 9/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/25-27/16 45/25-54/16 45/50-27/16 45/25-27/32 45/25-81/16 45/75-27/16 45/25-27/48 45/25-27/80