Subtract 24/40 from 6/27
6/27 - 24/40 is -17/45.
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,
6/27 = 6 × 40/27 × 40 = 240/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
24/40 = 24 × 27/40 × 27 = 648/1080 - Subtract the two like fractions:
240/1080 - 648/1080 = 240 - 648/1080 = -408/1080 - After reducing the fraction, the answer is -17/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/27-24/40 6/27-48/40 6/54-24/40 6/27-24/80 18/27-24/40 6/27-72/40 6/81-24/40 30/27-24/40 42/27-24/40