Subtract 4/5 from 18/3
1st number: 6 0/3, 2nd number: 4/5
18/3 - 4/5 is 26/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
18/3 = 18 × 5/3 × 5 = 90/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
4/5 = 4 × 3/5 × 3 = 12/15 - Subtract the two like fractions:
90/15 - 12/15 = 90 - 12/15 = 78/15 - After reducing the fraction, the answer is 26/5
- In mixed form: 51/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3-4/5 18/3-8/5 18/6-4/5 18/3-4/10 54/3-4/5 18/3-12/5 18/9-4/5 18/3-4/15 90/3-4/5 18/3-20/5 18/15-4/5 18/3-4/25 18/3-28/5 18/21-4/5 18/3-4/35