Answers

Subtract 81/27 from 4/2

1^st number: 2 0/2, 2^nd number: 3 0/27

4/2 - 81/27 is -1/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 27 is 54
   
   Next, find the equivalent fraction of both fractional numbers with denominator 54
2. For the 1st fraction, since 2 × 27 = 54,
   4/2 = 4 × 27/2 × 27 = 108/54
3. Likewise, for the 2nd fraction, since 27 × 2 = 54,
   81/27 = 81 × 2/27 × 2 = 162/54
4. Subtract the two like fractions:
   108/54 - 162/54 = 108 - 162/54 = -54/54
5. After reducing the fraction, the answer is -1/1

MathStep (Works offline)

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

Related: ⁸/₂-⁸¹/₂₇ ⁴/₂-⁸¹/₅₄ ¹²/₂-⁸¹/₂₇ ⁴/₆-⁸¹/₂₇ ²⁰/₂-⁸¹/₂₇ ⁴/₁₀-⁸¹/₂₇ ²⁸/₂-⁸¹/₂₇ ⁴/₁₄-⁸¹/₂₇

Subtract Fractions Calculator