Answers

Subtract 8/18 from 18/7

1^st number: 2 4/7, 2^nd number: 8/18

18/7 - 8/18 is 134/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 7 × 18 = 126,
   18/7 = 18 × 18/7 × 18 = 324/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   8/18 = 8 × 7/18 × 7 = 56/126
4. Subtract the two like fractions:
   324/126 - 56/126 = 324 - 56/126 = 268/126
5. After reducing the fraction, the answer is 134/63
6. In mixed form: 28/63

MathStep (Works offline)

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

Related: ³⁶/₇-⁸/₁₈ ¹⁸/₇-¹⁶/₁₈ ¹⁸/₁₄-⁸/₁₈ ¹⁸/₇-⁸/₃₆ ⁵⁴/₇-⁸/₁₈ ¹⁸/₇-²⁴/₁₈ ¹⁸/₂₁-⁸/₁₈ ¹⁸/₇-⁸/₅₄ ⁹⁰/₇-⁸/₁₈ ¹⁸/₇-⁴⁰/₁₈ ¹⁸/₃₅-⁸/₁₈ ¹⁸/₇-⁸/₉₀ ¹⁸/₇-⁵⁶/₁₈ ¹⁸/₄₉-⁸/₁₈

Subtract Fractions Calculator