Subtract 84/81 from 1/50
1st number: 1/50, 2nd number: 1 3/81
1/50 - 84/81 is -1373/1350.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 81 is 4050
Next, find the equivalent fraction of both fractional numbers with denominator 4050 - For the 1st fraction, since 50 × 81 = 4050,
1/50 = 1 × 81/50 × 81 = 81/4050 - Likewise, for the 2nd fraction, since 81 × 50 = 4050,
84/81 = 84 × 50/81 × 50 = 4200/4050 - Subtract the two like fractions:
81/4050 - 4200/4050 = 81 - 4200/4050 = -4119/4050 - After reducing the fraction, the answer is -1373/1350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/50-84/81 3/50-84/81 5/50-84/81 7/50-84/81