Subtract 50/75 from 40/56
40/56 - 50/75 is 1/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 75 is 4200
Next, find the equivalent fraction of both fractional numbers with denominator 4200 - For the 1st fraction, since 56 × 75 = 4200,
40/56 = 40 × 75/56 × 75 = 3000/4200 - Likewise, for the 2nd fraction, since 75 × 56 = 4200,
50/75 = 50 × 56/75 × 56 = 2800/4200 - Subtract the two like fractions:
3000/4200 - 2800/4200 = 3000 - 2800/4200 = 200/4200 - After reducing the fraction, the answer is 1/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/56-50/75