Answers

Subtract 27/14 from 18/12

1^st number: 1 6/12, 2^nd number: 1 13/14

18/12 - 27/14 is -3/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 14 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 12 × 7 = 84,
   18/12 = 18 × 7/12 × 7 = 126/84
3. Likewise, for the 2nd fraction, since 14 × 6 = 84,
   27/14 = 27 × 6/14 × 6 = 162/84
4. Subtract the two like fractions:
   126/84 - 162/84 = 126 - 162/84 = -36/84
5. After reducing the fraction, the answer is -3/7

MathStep (Works offline)

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

Related: ³⁶/₁₂-²⁷/₁₄ ¹⁸/₁₂-⁵⁴/₁₄ ¹⁸/₂₄-²⁷/₁₄ ¹⁸/₁₂-²⁷/₂₈ ⁵⁴/₁₂-²⁷/₁₄ ¹⁸/₁₂-⁸¹/₁₄ ¹⁸/₃₆-²⁷/₁₄ ¹⁸/₁₂-²⁷/₄₂ ⁹⁰/₁₂-²⁷/₁₄ ¹⁸/₆₀-²⁷/₁₄ ¹⁸/₁₂-²⁷/₇₀ ¹⁸/₈₄-²⁷/₁₄ ¹⁸/₁₂-²⁷/₉₈

Subtract Fractions Calculator