Answers

Subtract 10/81 from 6/4

1^st number: 1 2/4, 2^nd number: 10/81

6/4 - 10/81 is 223/162.

Steps for subtracting fractions

1. 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
2. For the 1st fraction, since 4 × 81 = 324,
   6/4 = 6 × 81/4 × 81 = 486/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   10/81 = 10 × 4/81 × 4 = 40/324
4. Subtract the two like fractions:
   486/324 - 40/324 = 486 - 40/324 = 446/324
5. After reducing the fraction, the answer is 223/162
6. In mixed form: 161/162

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ¹²/₄-¹⁰/₈₁ ⁶/₄-²⁰/₈₁ ⁶/₈-¹⁰/₈₁ ¹⁸/₄-¹⁰/₈₁ ⁶/₄-³⁰/₈₁ ⁶/₁₂-¹⁰/₈₁ ³⁰/₄-¹⁰/₈₁ ⁶/₄-⁵⁰/₈₁ ⁶/₂₀-¹⁰/₈₁ ⁴²/₄-¹⁰/₈₁ ⁶/₄-⁷⁰/₈₁ ⁶/₂₈-¹⁰/₈₁

Subtract Fractions Calculator