Subtract 20/27 from 3/14
3/14 - 20/27 is -199/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 27 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 14 × 27 = 378,
3/14 = 3 × 27/14 × 27 = 81/378 - Likewise, for the 2nd fraction, since 27 × 14 = 378,
20/27 = 20 × 14/27 × 14 = 280/378 - Subtract the two like fractions:
81/378 - 280/378 = 81 - 280/378 = -199/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/14-20/27 3/14-40/27 3/28-20/27 3/14-20/54 9/14-20/27 3/14-60/27 3/42-20/27 3/14-20/81 15/14-20/27 3/70-20/27 21/14-20/27 3/98-20/27