Subtract 27/36 from 2/8
2/8 - 27/36 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
2/8 = 2 × 9/8 × 9 = 18/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
27/36 = 27 × 2/36 × 2 = 54/72 - Subtract the two like fractions:
18/72 - 54/72 = 18 - 54/72 = -36/72 - After reducing the fraction, the answer is -1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8-27/36 2/8-54/36 2/16-27/36 2/8-27/72 6/8-27/36 2/8-81/36 2/24-27/36 10/8-27/36 2/40-27/36 14/8-27/36 2/56-27/36