Subtract 18/5 from 27/3
1st number: 9 0/3, 2nd number: 3 3/5
27/3 - 18/5 is 27/5.
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,
27/3 = 27 × 5/3 × 5 = 135/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
18/5 = 18 × 3/5 × 3 = 54/15 - Subtract the two like fractions:
135/15 - 54/15 = 135 - 54/15 = 81/15 - After reducing the fraction, the answer is 27/5
- In mixed form: 52/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/3-18/5 27/3-36/5 27/6-18/5 27/3-18/10 81/3-18/5 27/3-54/5 27/9-18/5 27/3-18/15 27/3-90/5 27/15-18/5 27/3-18/25 27/21-18/5 27/3-18/35