Subtract 21/56 from 24/36
24/36 - 21/56 is 7/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 36 × 14 = 504,
24/36 = 24 × 14/36 × 14 = 336/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
21/56 = 21 × 9/56 × 9 = 189/504 - Subtract the two like fractions:
336/504 - 189/504 = 336 - 189/504 = 147/504 - After reducing the fraction, the answer is 7/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/36-21/56 24/36-42/56 24/72-21/56 72/36-21/56 24/36-63/56