Subtract 50/36 from 18/27
1st number: 18/27, 2nd number: 1 14/36
18/27 - 50/36 is -13/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 36 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
18/27 = 18 × 4/27 × 4 = 72/108 - Likewise, for the 2nd fraction, since 36 × 3 = 108,
50/36 = 50 × 3/36 × 3 = 150/108 - Subtract the two like fractions:
72/108 - 150/108 = 72 - 150/108 = -78/108 - After reducing the fraction, the answer is -13/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/27-50/36 18/54-50/36 18/27-50/72 54/27-50/36 18/81-50/36 90/27-50/36