Subtract 56/21 from 12/50
1st number: 12/50, 2nd number: 2 14/21
12/50 - 56/21 is -182/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
12/50 = 12 × 21/50 × 21 = 252/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
56/21 = 56 × 50/21 × 50 = 2800/1050 - Subtract the two like fractions:
252/1050 - 2800/1050 = 252 - 2800/1050 = -2548/1050 - After reducing the fraction, the answer is -182/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/50-56/21 12/50-56/42 36/50-56/21 12/50-56/63 60/50-56/21 84/50-56/21