Subtract 50/36 from 21/24
1st number: 21/24, 2nd number: 1 14/36
21/24 - 50/36 is -37/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
21/24 = 21 × 3/24 × 3 = 63/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
50/36 = 50 × 2/36 × 2 = 100/72 - Subtract the two like fractions:
63/72 - 100/72 = 63 - 100/72 = -37/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/24-50/36 21/48-50/36 21/24-50/72 63/24-50/36 21/72-50/36