Subtract 49/81 from 10/4
1st number: 2 2/4, 2nd number: 49/81
10/4 - 49/81 is 307/162.
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,
49/81 = 49 × 4/81 × 4 = 196/324 - Subtract the two like fractions:
810/324 - 196/324 = 810 - 196/324 = 614/324 - After reducing the fraction, the answer is 307/162
- In mixed form: 1145/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/4-49/81 10/4-98/81 10/8-49/81 30/4-49/81 10/12-49/81 50/4-49/81 10/20-49/81 70/4-49/81 10/28-49/81