Subtract 20/5 from 27/14
1st number: 1 13/14, 2nd number: 4 0/5
27/14 - 20/5 is -29/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
27/14 = 27 × 5/14 × 5 = 135/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
20/5 = 20 × 14/5 × 14 = 280/70 - Subtract the two like fractions:
135/70 - 280/70 = 135 - 280/70 = -145/70 - After reducing the fraction, the answer is -29/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14-20/5 27/14-40/5 27/28-20/5 27/14-20/10 81/14-20/5 27/14-60/5 27/42-20/5 27/14-20/15 27/70-20/5 27/14-20/25 27/98-20/5 27/14-20/35