Answers

Subtract 9/42 from 9/36

9/36 - 9/42 is 1/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 42 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 36 × 7 = 252,
   9/36 = 9 × 7/36 × 7 = 63/252
3. Likewise, for the 2nd fraction, since 42 × 6 = 252,
   9/42 = 9 × 6/42 × 6 = 54/252
4. Subtract the two like fractions:
   63/252 - 54/252 = 63 - 54/252 = 9/252
5. After reducing the fraction, the answer is 1/28

MathStep (Works offline)

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

Related: ¹⁸/₃₆-⁹/₄₂ ⁹/₃₆-¹⁸/₄₂ ⁹/₇₂-⁹/₄₂ ⁹/₃₆-⁹/₈₄ ²⁷/₃₆-⁹/₄₂ ⁹/₃₆-²⁷/₄₂ ⁴⁵/₃₆-⁹/₄₂ ⁹/₃₆-⁴⁵/₄₂ ⁶³/₃₆-⁹/₄₂ ⁹/₃₆-⁶³/₄₂

Subtract Fractions Calculator