Answers

Subtract 5/81 from 7/6

1^st number: 1 1/6, 2^nd number: 5/81

7/6 - 5/81 is 179/162.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 81 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 6 × 27 = 162,
   7/6 = 7 × 27/6 × 27 = 189/162
3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
   5/81 = 5 × 2/81 × 2 = 10/162
4. Subtract the two like fractions:
   189/162 - 10/162 = 189 - 10/162 = 179/162
5. In mixed form: 117/162

MathStep (Works offline)

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

Related: ¹⁴/₆-⁵/₈₁ ⁷/₆-¹⁰/₈₁ ⁷/₁₂-⁵/₈₁ ²¹/₆-⁵/₈₁ ⁷/₆-¹⁵/₈₁ ⁷/₁₈-⁵/₈₁ ³⁵/₆-⁵/₈₁ ⁷/₆-²⁵/₈₁ ⁷/₃₀-⁵/₈₁ ⁴⁹/₆-⁵/₈₁ ⁷/₆-³⁵/₈₁ ⁷/₄₂-⁵/₈₁

Subtract Fractions Calculator