Subtract 80/20 from 6/27
1st number: 6/27, 2nd number: 4 0/20
6/27 - 80/20 is -34/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
6/27 = 6 × 20/27 × 20 = 120/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
80/20 = 80 × 27/20 × 27 = 2160/540 - Subtract the two like fractions:
120/540 - 2160/540 = 120 - 2160/540 = -2040/540 - After reducing the fraction, the answer is -34/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/27-80/20 6/54-80/20 6/27-80/40 18/27-80/20 6/81-80/20 6/27-80/60 30/27-80/20 42/27-80/20