Subtract 20/27 from 5/10
5/10 - 20/27 is -13/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
5/10 = 5 × 27/10 × 27 = 135/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
20/27 = 20 × 10/27 × 10 = 200/270 - Subtract the two like fractions:
135/270 - 200/270 = 135 - 200/270 = -65/270 - After reducing the fraction, the answer is -13/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 5/10-40/27 5/20-20/27 5/10-20/54 15/10-20/27 5/10-60/27 5/30-20/27 5/10-20/81 25/10-20/27 5/50-20/27 35/10-20/27 5/70-20/27