Subtract 14/27 from 15/40
15/40 - 14/27 is -31/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 27 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
15/40 = 15 × 27/40 × 27 = 405/1080 - Likewise, for the 2nd fraction, since 27 × 40 = 1080,
14/27 = 14 × 40/27 × 40 = 560/1080 - Subtract the two like fractions:
405/1080 - 560/1080 = 405 - 560/1080 = -155/1080 - After reducing the fraction, the answer is -31/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/40-14/27 15/40-28/27 15/80-14/27 15/40-14/54 45/40-14/27 15/40-42/27 15/40-14/81 75/40-14/27 15/40-70/27 15/40-98/27