Subtract 18/12 from 3/25
1st number: 3/25, 2nd number: 1 6/12
3/25 - 18/12 is -69/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 25 × 12 = 300,
3/25 = 3 × 12/25 × 12 = 36/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
18/12 = 18 × 25/12 × 25 = 450/300 - Subtract the two like fractions:
36/300 - 450/300 = 36 - 450/300 = -414/300 - After reducing the fraction, the answer is -69/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/25-18/12 3/25-36/12 3/50-18/12 3/25-18/24 9/25-18/12 3/25-54/12 3/75-18/12 3/25-18/36 15/25-18/12 3/25-90/12 3/25-18/60 21/25-18/12 3/25-18/84