Subtract 36/40 from 8/27
8/27 - 36/40 is -163/270.
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,
8/27 = 8 × 40/27 × 40 = 320/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
36/40 = 36 × 27/40 × 27 = 972/1080 - Subtract the two like fractions:
320/1080 - 972/1080 = 320 - 972/1080 = -652/1080 - After reducing the fraction, the answer is -163/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/27-36/40 8/27-72/40 8/54-36/40 8/27-36/80 24/27-36/40 8/81-36/40 40/27-36/40 56/27-36/40