Subtract 27/30 from 2/3
2/3 - 27/30 is -7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 3 × 10 = 30,
2/3 = 2 × 10/3 × 10 = 20/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
27/30 = 27 × 1/30 × 1 = 27/30 - Subtract the two like fractions:
20/30 - 27/30 = 20 - 27/30 = -7/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/3-27/30 2/3-54/30 2/6-27/30 2/3-27/60 6/3-27/30 2/3-81/30 2/9-27/30 2/3-27/90 10/3-27/30 2/15-27/30 14/3-27/30 2/21-27/30