Subtract 27/40 from 4/36
4/36 - 27/40 is -203/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 36 × 10 = 360,
4/36 = 4 × 10/36 × 10 = 40/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
27/40 = 27 × 9/40 × 9 = 243/360 - Subtract the two like fractions:
40/360 - 243/360 = 40 - 243/360 = -203/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/36-27/40 4/36-54/40 4/72-27/40 4/36-27/80 12/36-27/40 4/36-81/40 20/36-27/40 28/36-27/40