Subtract 54/27 from 18/5
1st number: 3 3/5, 2nd number: 2 0/27
18/5 - 54/27 is 8/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 5 × 27 = 135,
18/5 = 18 × 27/5 × 27 = 486/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
54/27 = 54 × 5/27 × 5 = 270/135 - Subtract the two like fractions:
486/135 - 270/135 = 486 - 270/135 = 216/135 - After reducing the fraction, the answer is 8/5
- In mixed form: 13/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/5-54/27 18/10-54/27 54/5-54/27 18/15-54/27 18/5-54/81 90/5-54/27 18/25-54/27 18/35-54/27