Subtract 5/4 from 18/3
1st number: 6 0/3, 2nd number: 1 1/4
18/3 - 5/4 is 19/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
18/3 = 18 × 4/3 × 4 = 72/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
5/4 = 5 × 3/4 × 3 = 15/12 - Subtract the two like fractions:
72/12 - 15/12 = 72 - 15/12 = 57/12 - After reducing the fraction, the answer is 19/4
- In mixed form: 43/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3-5/4 18/3-10/4 18/6-5/4 18/3-5/8 54/3-5/4 18/3-15/4 18/9-5/4 18/3-5/12 90/3-5/4 18/3-25/4 18/15-5/4 18/3-5/20 18/3-35/4 18/21-5/4 18/3-5/28