Subtract 21/50 from 56/63
56/63 - 21/50 is 211/450.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 50 is 3150
Next, find the equivalent fraction of both fractional numbers with denominator 3150 - For the 1st fraction, since 63 × 50 = 3150,
56/63 = 56 × 50/63 × 50 = 2800/3150 - Likewise, for the 2nd fraction, since 50 × 63 = 3150,
21/50 = 21 × 63/50 × 63 = 1323/3150 - Subtract the two like fractions:
2800/3150 - 1323/3150 = 2800 - 1323/3150 = 1477/3150 - After reducing the fraction, the answer is 211/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63-42/50 56/63-63/50