Answers

Subtract 27/21 from 4/14

1^st number: 4/14, 2^nd number: 1 6/21

4/14 - 27/21 is -1/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 21 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 14 × 3 = 42,
   4/14 = 4 × 3/14 × 3 = 12/42
3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
   27/21 = 27 × 2/21 × 2 = 54/42
4. Subtract the two like fractions:
   12/42 - 54/42 = 12 - 54/42 = -42/42
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: ⁸/₁₄-²⁷/₂₁ ⁴/₁₄-⁵⁴/₂₁ ⁴/₂₈-²⁷/₂₁ ⁴/₁₄-²⁷/₄₂ ¹²/₁₄-²⁷/₂₁ ⁴/₁₄-⁸¹/₂₁ ⁴/₄₂-²⁷/₂₁ ⁴/₁₄-²⁷/₆₃ ²⁰/₁₄-²⁷/₂₁ ⁴/₇₀-²⁷/₂₁ ²⁸/₁₄-²⁷/₂₁ ⁴/₉₈-²⁷/₂₁

Subtract Fractions Calculator