Subtract 27/14 from 27/40
1st number: 27/40, 2nd number: 1 13/14
27/40 - 27/14 is -351/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 14 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
27/40 = 27 × 7/40 × 7 = 189/280 - Likewise, for the 2nd fraction, since 14 × 20 = 280,
27/14 = 27 × 20/14 × 20 = 540/280 - Subtract the two like fractions:
189/280 - 540/280 = 189 - 540/280 = -351/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40-27/14 27/40-54/14 27/80-27/14 27/40-27/28 81/40-27/14 27/40-81/14 27/40-27/42 27/40-27/70 27/40-27/98