Subtract 50/18 from 28/27
1st number: 1 1/27, 2nd number: 2 14/18
28/27 - 50/18 is -47/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
28/27 = 28 × 2/27 × 2 = 56/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
50/18 = 50 × 3/18 × 3 = 150/54 - Subtract the two like fractions:
56/54 - 150/54 = 56 - 150/54 = -94/54 - After reducing the fraction, the answer is -47/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/27-50/18 28/54-50/18 28/27-50/36 84/27-50/18 28/81-50/18 28/27-50/54 28/27-50/90