Subtract 6/40 from 4/27
4/27 - 6/40 is -1/540.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 27 × 40 = 1080,
4/27 = 4 × 40/27 × 40 = 160/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
6/40 = 6 × 27/40 × 27 = 162/1080 - Subtract the two like fractions:
160/1080 - 162/1080 = 160 - 162/1080 = -2/1080 - After reducing the fraction, the answer is -1/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/27-6/40 4/27-12/40 4/54-6/40 4/27-6/80 12/27-6/40 4/27-18/40 4/81-6/40 20/27-6/40 4/27-30/40 28/27-6/40 4/27-42/40