Answers

Subtract 14/7 from 18/36

1^st number: 18/36, 2^nd number: 2 0/7

18/36 - 14/7 is -3/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 7 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 36 × 7 = 252,
   18/36 = 18 × 7/36 × 7 = 126/252
3. Likewise, for the 2nd fraction, since 7 × 36 = 252,
   14/7 = 14 × 36/7 × 36 = 504/252
4. Subtract the two like fractions:
   126/252 - 504/252 = 126 - 504/252 = -378/252
5. After reducing the fraction, the answer is -3/2

MathStep (Works offline)

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

Related: ¹⁸/₃₆-²⁸/₇ ¹⁸/₇₂-¹⁴/₇ ⁵⁴/₃₆-¹⁴/₇ ¹⁸/₃₆-⁴²/₇ ¹⁸/₃₆-¹⁴/₂₁ ⁹⁰/₃₆-¹⁴/₇ ¹⁸/₃₆-⁷⁰/₇ ¹⁸/₃₆-¹⁴/₃₅ ¹⁸/₃₆-⁹⁸/₇ ¹⁸/₃₆-¹⁴/₄₉

Subtract Fractions Calculator