Subtract 5/10 from 9/27
9/27 - 5/10 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
9/27 = 9 × 10/27 × 10 = 90/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
5/10 = 5 × 27/10 × 27 = 135/270 - Subtract the two like fractions:
90/270 - 135/270 = 90 - 135/270 = -45/270 - After reducing the fraction, the answer is -1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/27-5/10 9/54-5/10 9/27-5/20 9/27-15/10 9/81-5/10 9/27-5/30 45/27-5/10 9/27-25/10 9/27-5/50 63/27-5/10 9/27-35/10 9/27-5/70