Subtract 10/4 from 18/3
1st number: 6 0/3, 2nd number: 2 2/4
18/3 - 10/4 is 7/2.
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,
10/4 = 10 × 3/4 × 3 = 30/12 - Subtract the two like fractions:
72/12 - 30/12 = 72 - 30/12 = 42/12 - After reducing the fraction, the answer is 7/2
- In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3-10/4 18/3-20/4 18/6-10/4 18/3-10/8 54/3-10/4 18/3-30/4 18/9-10/4 18/3-10/12 90/3-10/4 18/3-50/4 18/15-10/4 18/3-10/20 18/3-70/4 18/21-10/4 18/3-10/28