Subtract 36/18 from 12/25
1st number: 12/25, 2nd number: 2 0/18
12/25 - 36/18 is -38/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
12/25 = 12 × 18/25 × 18 = 216/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
36/18 = 36 × 25/18 × 25 = 900/450 - Subtract the two like fractions:
216/450 - 900/450 = 216 - 900/450 = -684/450 - After reducing the fraction, the answer is -38/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/25-36/18 12/25-72/18 12/50-36/18 36/25-36/18 12/75-36/18 12/25-36/54 60/25-36/18 12/25-36/90 84/25-36/18