Subtract 27/25 from 45/15
1st number: 3 0/15, 2nd number: 1 2/25
45/15 - 27/25 is 48/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
45/15 = 45 × 5/15 × 5 = 225/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
27/25 = 27 × 3/25 × 3 = 81/75 - Subtract the two like fractions:
225/75 - 81/75 = 225 - 81/75 = 144/75 - After reducing the fraction, the answer is 48/25
- In mixed form: 123/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15-27/25 45/15-54/25 45/30-27/25 45/15-27/50 45/15-81/25 45/15-27/75 45/75-27/25