Subtract 3/40 from 5/36
5/36 - 3/40 is 23/360.
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,
5/36 = 5 × 10/36 × 10 = 50/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
3/40 = 3 × 9/40 × 9 = 27/360 - Subtract the two like fractions:
50/360 - 27/360 = 50 - 27/360 = 23/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/36-3/40 5/36-6/40 5/72-3/40 5/36-3/80 15/36-3/40 5/36-9/40 25/36-3/40 5/36-15/40 35/36-3/40 5/36-21/40