Subtract 1/36 from 21/50
21/50 - 1/36 is 353/900.
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,
21/50 = 21 × 18/50 × 18 = 378/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
1/36 = 1 × 25/36 × 25 = 25/900 - Subtract the two like fractions:
378/900 - 25/900 = 378 - 25/900 = 353/900
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/50-1/36 21/50-2/36 21/50-1/72 63/50-1/36 21/50-3/36 21/50-5/36 21/50-7/36