Subtract 27/36 from 18/4
1st number: 4 2/4, 2nd number: 27/36
18/4 - 27/36 is 15/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
18/4 = 18 × 9/4 × 9 = 162/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
27/36 = 27 × 1/36 × 1 = 27/36 - Subtract the two like fractions:
162/36 - 27/36 = 162 - 27/36 = 135/36 - After reducing the fraction, the answer is 15/4
- In mixed form: 33/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/4-27/36 18/4-54/36 18/8-27/36 18/4-27/72 54/4-27/36 18/4-81/36 18/12-27/36 90/4-27/36 18/20-27/36 18/28-27/36