Subtract 3/18 from 8/4
1st number: 2 0/4, 2nd number: 3/18
8/4 - 3/18 is 11/6.
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,
8/4 = 8 × 9/4 × 9 = 72/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
3/18 = 3 × 2/18 × 2 = 6/36 - Subtract the two like fractions:
72/36 - 6/36 = 72 - 6/36 = 66/36 - After reducing the fraction, the answer is 11/6
- In mixed form: 15/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/4-3/18 8/4-6/18 8/4-3/36 24/4-3/18 8/4-9/18 8/12-3/18 8/4-3/54 40/4-3/18 8/4-15/18 8/20-3/18 8/4-3/90 56/4-3/18 8/4-21/18 8/28-3/18