Subtract 1/40 from 10/27
10/27 - 1/40 is 373/1080.
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,
10/27 = 10 × 40/27 × 40 = 400/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
1/40 = 1 × 27/40 × 27 = 27/1080 - Subtract the two like fractions:
400/1080 - 27/1080 = 400 - 27/1080 = 373/1080
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/27-1/40 10/27-2/40 10/54-1/40 10/27-1/80 30/27-1/40 10/27-3/40 10/81-1/40 50/27-1/40 10/27-5/40 70/27-1/40 10/27-7/40