Subtract 3/25 from 18/15
1st number: 1 3/15, 2nd number: 3/25
18/15 - 3/25 is 27/25.
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,
18/15 = 18 × 5/15 × 5 = 90/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
3/25 = 3 × 3/25 × 3 = 9/75 - Subtract the two like fractions:
90/75 - 9/75 = 90 - 9/75 = 81/75 - After reducing the fraction, the answer is 27/25
- In mixed form: 12/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/15-3/25 18/15-6/25 18/30-3/25 18/15-3/50 54/15-3/25 18/15-9/25 18/45-3/25 18/15-3/75 90/15-3/25 18/15-15/25 18/75-3/25 18/15-21/25