Subtract 24/27 from 6/20
6/20 - 24/27 is -53/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
6/20 = 6 × 27/20 × 27 = 162/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
24/27 = 24 × 20/27 × 20 = 480/540 - Subtract the two like fractions:
162/540 - 480/540 = 162 - 480/540 = -318/540 - After reducing the fraction, the answer is -53/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20-24/27 6/20-48/27 6/40-24/27 6/20-24/54 18/20-24/27 6/20-72/27 6/60-24/27 6/20-24/81 30/20-24/27 42/20-24/27