Subtract 36/18 from 27/5
1st number: 5 2/5, 2nd number: 2 0/18
27/5 - 36/18 is 17/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
27/5 = 27 × 18/5 × 18 = 486/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
36/18 = 36 × 5/18 × 5 = 180/90 - Subtract the two like fractions:
486/90 - 180/90 = 486 - 180/90 = 306/90 - After reducing the fraction, the answer is 17/5
- In mixed form: 32/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/5-36/18 27/5-72/18 27/10-36/18 81/5-36/18 27/15-36/18 27/5-36/54 27/25-36/18 27/5-36/90 27/35-36/18