Subtract 20/72 from 24/50
24/50 - 20/72 is 91/450.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 50 × 36 = 1800,
24/50 = 24 × 36/50 × 36 = 864/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
20/72 = 20 × 25/72 × 25 = 500/1800 - Subtract the two like fractions:
864/1800 - 500/1800 = 864 - 500/1800 = 364/1800 - After reducing the fraction, the answer is 91/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/50-20/72 24/50-40/72 72/50-20/72 24/50-60/72