Subtract 20/27 from 35/18
1st number: 1 17/18, 2nd number: 20/27
35/18 - 20/27 is 65/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
35/18 = 35 × 3/18 × 3 = 105/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
20/27 = 20 × 2/27 × 2 = 40/54 - Subtract the two like fractions:
105/54 - 40/54 = 105 - 40/54 = 65/54 - In mixed form: 111/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18-20/27 35/18-40/27 35/36-20/27 35/18-20/54 35/18-60/27 35/54-20/27 35/18-20/81 35/90-20/27