Subtract 12/8 from 6/18
1st number: 6/18, 2nd number: 1 4/8
6/18 - 12/8 is -7/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
6/18 = 6 × 4/18 × 4 = 24/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
12/8 = 12 × 9/8 × 9 = 108/72 - Subtract the two like fractions:
24/72 - 108/72 = 24 - 108/72 = -84/72 - After reducing the fraction, the answer is -7/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/18-12/8 6/18-24/8 6/36-12/8 6/18-12/16 6/18-36/8 6/54-12/8 6/18-12/24 30/18-12/8 6/18-60/8 6/90-12/8 6/18-12/40 42/18-12/8 6/18-84/8 6/18-12/56