Subtract 27/54 from 6/30
6/30 - 27/54 is -3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
6/30 = 6 × 9/30 × 9 = 54/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
27/54 = 27 × 5/54 × 5 = 135/270 - Subtract the two like fractions:
54/270 - 135/270 = 54 - 135/270 = -81/270 - After reducing the fraction, the answer is -3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/30-27/54 6/60-27/54 18/30-27/54 6/30-81/54 6/90-27/54 42/30-27/54