Subtract 12/4 from 4/18
1st number: 4/18, 2nd number: 3 0/4
4/18 - 12/4 is -25/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
4/18 = 4 × 2/18 × 2 = 8/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
12/4 = 12 × 9/4 × 9 = 108/36 - Subtract the two like fractions:
8/36 - 108/36 = 8 - 108/36 = -100/36 - After reducing the fraction, the answer is -25/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/18-12/4 4/18-24/4 4/36-12/4 4/18-12/8 12/18-12/4 4/18-36/4 4/54-12/4 20/18-12/4 4/18-60/4 4/90-12/4 4/18-12/20 28/18-12/4 4/18-84/4 4/18-12/28