Subtract 27/18 from 36/75
1st number: 36/75, 2nd number: 1 9/18
36/75 - 27/18 is -51/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
36/75 = 36 × 6/75 × 6 = 216/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
27/18 = 27 × 25/18 × 25 = 675/450 - Subtract the two like fractions:
216/450 - 675/450 = 216 - 675/450 = -459/450 - After reducing the fraction, the answer is -51/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/75-27/18 36/75-54/18 36/75-27/36 36/75-81/18 36/75-27/54 36/75-27/90