Subtract 6/50 from 28/81
28/81 - 6/50 is 457/2025.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 50 is 4050
Next, find the equivalent fraction of both fractional numbers with denominator 4050 - For the 1st fraction, since 81 × 50 = 4050,
28/81 = 28 × 50/81 × 50 = 1400/4050 - Likewise, for the 2nd fraction, since 50 × 81 = 4050,
6/50 = 6 × 81/50 × 81 = 486/4050 - Subtract the two like fractions:
1400/4050 - 486/4050 = 1400 - 486/4050 = 914/4050 - After reducing the fraction, the answer is 457/2025
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/81-6/50 28/81-12/50 84/81-6/50 28/81-18/50 28/81-30/50 28/81-42/50