Answers

Subtract 6/21 from 2/36

2/36 - 6/21 is -29/126.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 21 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 36 × 7 = 252,
   2/36 = 2 × 7/36 × 7 = 14/252
3. Likewise, for the 2nd fraction, since 21 × 12 = 252,
   6/21 = 6 × 12/21 × 12 = 72/252
4. Subtract the two like fractions:
   14/252 - 72/252 = 14 - 72/252 = -58/252
5. After reducing the fraction, the answer is -29/126

MathStep (Works offline)

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

Related: ⁴/₃₆-⁶/₂₁ ²/₃₆-¹²/₂₁ ²/₇₂-⁶/₂₁ ²/₃₆-⁶/₄₂ ⁶/₃₆-⁶/₂₁ ²/₃₆-¹⁸/₂₁ ²/₃₆-⁶/₆₃ ¹⁰/₃₆-⁶/₂₁ ²/₃₆-³⁰/₂₁ ¹⁴/₃₆-⁶/₂₁ ²/₃₆-⁴²/₂₁

Subtract Fractions Calculator