Subtract 27/18 from 6/16
1st number: 6/16, 2nd number: 1 9/18
6/16 - 27/18 is -9/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
6/16 = 6 × 9/16 × 9 = 54/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
27/18 = 27 × 8/18 × 8 = 216/144 - Subtract the two like fractions:
54/144 - 216/144 = 54 - 216/144 = -162/144 - After reducing the fraction, the answer is -9/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/16-27/18 6/16-54/18 6/32-27/18 6/16-27/36 18/16-27/18 6/16-81/18 6/48-27/18 6/16-27/54 30/16-27/18 6/80-27/18 6/16-27/90 42/16-27/18