Subtract 20/18 from 50/27
1st number: 1 23/27, 2nd number: 1 2/18
50/27 - 20/18 is 20/27.
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,
20/18 = 20 × 3/18 × 3 = 60/54 - Subtract the two like fractions:
100/54 - 60/54 = 100 - 60/54 = 40/54 - After reducing the fraction, the answer is 20/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/27-40/18 50/54-20/18 50/27-20/36 50/27-60/18 50/81-20/18 50/27-20/54 50/27-20/90