Subtract 3/10 from 27/18
1st number: 1 9/18, 2nd number: 3/10
27/18 - 3/10 is 6/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
27/18 = 27 × 5/18 × 5 = 135/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
3/10 = 3 × 9/10 × 9 = 27/90 - Subtract the two like fractions:
135/90 - 27/90 = 135 - 27/90 = 108/90 - After reducing the fraction, the answer is 6/5
- In mixed form: 11/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18-3/10 27/18-6/10 27/36-3/10 27/18-3/20 81/18-3/10 27/18-9/10 27/54-3/10 27/18-3/30 27/18-15/10 27/90-3/10 27/18-3/50 27/18-21/10 27/18-3/70