Subtract 7/50 from 25/81
25/81 - 7/50 is 683/4050.
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,
25/81 = 25 × 50/81 × 50 = 1250/4050 - Likewise, for the 2nd fraction, since 50 × 81 = 4050,
7/50 = 7 × 81/50 × 81 = 567/4050 - Subtract the two like fractions:
1250/4050 - 567/4050 = 1250 - 567/4050 = 683/4050
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/81-7/50 25/81-14/50 75/81-7/50 25/81-21/50 25/81-35/50 25/81-49/50