Subtract 12/18 from 15/4
1st number: 3 3/4, 2nd number: 12/18
15/4 - 12/18 is 37/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
15/4 = 15 × 9/4 × 9 = 135/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
12/18 = 12 × 2/18 × 2 = 24/36 - Subtract the two like fractions:
135/36 - 24/36 = 135 - 24/36 = 111/36 - After reducing the fraction, the answer is 37/12
- In mixed form: 31/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4-12/18 15/4-24/18 15/8-12/18 15/4-12/36 45/4-12/18 15/4-36/18 15/12-12/18 15/4-12/54 75/4-12/18 15/4-60/18 15/20-12/18 15/4-12/90 15/4-84/18 15/28-12/18