Subtract 50/81 from 10/4
1st number: 2 2/4, 2nd number: 50/81
10/4 - 50/81 is 305/162.
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,
10/4 = 10 × 81/4 × 81 = 810/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
50/81 = 50 × 4/81 × 4 = 200/324 - Subtract the two like fractions:
810/324 - 200/324 = 810 - 200/324 = 610/324 - After reducing the fraction, the answer is 305/162
- In mixed form: 1143/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/4-50/81 10/8-50/81 30/4-50/81 10/12-50/81 50/4-50/81 10/20-50/81 70/4-50/81 10/28-50/81