Subtract 50/81 from 54/12
1st number: 4 6/12, 2nd number: 50/81
54/12 - 50/81 is 629/162.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 12 × 27 = 324,
54/12 = 54 × 27/12 × 27 = 1458/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
50/81 = 50 × 4/81 × 4 = 200/324 - Subtract the two like fractions:
1458/324 - 200/324 = 1458 - 200/324 = 1258/324 - After reducing the fraction, the answer is 629/162
- In mixed form: 3143/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/24-50/81 54/36-50/81 54/60-50/81 54/84-50/81