Subtract 9/36 from 27/18
1st number: 1 9/18, 2nd number: 9/36
27/18 - 9/36 is 5/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
27/18 = 27 × 2/18 × 2 = 54/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
9/36 = 9 × 1/36 × 1 = 9/36 - Subtract the two like fractions:
54/36 - 9/36 = 54 - 9/36 = 45/36 - After reducing the fraction, the answer is 5/4
- In mixed form: 11/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18-9/36 27/18-18/36 27/36-9/36 27/18-9/72 81/18-9/36 27/18-27/36 27/54-9/36 27/18-45/36 27/90-9/36 27/18-63/36