Subtract 40/18 from 50/27
1st number: 1 23/27, 2nd number: 2 4/18
50/27 - 40/18 is -10/27.
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,
50/27 = 50 × 2/27 × 2 = 100/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
40/18 = 40 × 3/18 × 3 = 120/54 - Subtract the two like fractions:
100/54 - 120/54 = 100 - 120/54 = -20/54 - After reducing the fraction, the answer is -10/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/27-80/18 50/54-40/18 50/27-40/36 50/81-40/18 50/27-40/54 50/27-40/90