Answers

Subtract 81/3 from 28/14

1^st number: 2 0/14, 2^nd number: 27 0/3

28/14 - 81/3 is -25/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 3 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 14 × 3 = 42,
   28/14 = 28 × 3/14 × 3 = 84/42
3. Likewise, for the 2nd fraction, since 3 × 14 = 42,
   81/3 = 81 × 14/3 × 14 = 1134/42
4. Subtract the two like fractions:
   84/42 - 1134/42 = 84 - 1134/42 = -1050/42
5. After reducing the fraction, the answer is -25/1

MathStep (Works offline)

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

Related: ⁵⁶/₁₄-⁸¹/₃ ²⁸/₁₄-⁸¹/₆ ⁸⁴/₁₄-⁸¹/₃ ²⁸/₄₂-⁸¹/₃ ²⁸/₁₄-⁸¹/₉ ²⁸/₇₀-⁸¹/₃ ²⁸/₁₄-⁸¹/₁₅ ²⁸/₉₈-⁸¹/₃ ²⁸/₁₄-⁸¹/₂₁

Subtract Fractions Calculator