Subtract 12/81 from 50/4
1st number: 12 2/4, 2nd number: 12/81
50/4 - 12/81 is 667/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 4 × 81 = 324,
50/4 = 50 × 81/4 × 81 = 4050/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
12/81 = 12 × 4/81 × 4 = 48/324 - Subtract the two like fractions:
4050/324 - 48/324 = 4050 - 48/324 = 4002/324 - After reducing the fraction, the answer is 667/54
- In mixed form: 1219/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4-24/81 50/8-12/81 50/4-36/81 50/12-12/81 50/4-60/81 50/20-12/81 50/4-84/81 50/28-12/81