Subtract 2/50 from 15/81
15/81 - 2/50 is 98/675.
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,
15/81 = 15 × 50/81 × 50 = 750/4050 - Likewise, for the 2nd fraction, since 50 × 81 = 4050,
2/50 = 2 × 81/50 × 81 = 162/4050 - Subtract the two like fractions:
750/4050 - 162/4050 = 750 - 162/4050 = 588/4050 - After reducing the fraction, the answer is 98/675
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/81-2/50 15/81-4/50 45/81-2/50 15/81-6/50 75/81-2/50 15/81-10/50 15/81-14/50