Subtract 4/50 from 10/81
10/81 - 4/50 is 88/2025.
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,
10/81 = 10 × 50/81 × 50 = 500/4050 - Likewise, for the 2nd fraction, since 50 × 81 = 4050,
4/50 = 4 × 81/50 × 81 = 324/4050 - Subtract the two like fractions:
500/4050 - 324/4050 = 500 - 324/4050 = 176/4050 - After reducing the fraction, the answer is 88/2025
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/81-4/50 10/81-8/50 30/81-4/50 10/81-12/50 50/81-4/50 10/81-20/50 70/81-4/50 10/81-28/50