Subtract 1/36 from 40/50
40/50 - 1/36 is 139/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 50 × 18 = 900,
40/50 = 40 × 18/50 × 18 = 720/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
1/36 = 1 × 25/36 × 25 = 25/900 - Subtract the two like fractions:
720/900 - 25/900 = 720 - 25/900 = 695/900 - After reducing the fraction, the answer is 139/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/50-1/36 40/50-2/36 40/50-1/72 40/50-3/36 40/50-5/36 40/50-7/36