Answers

Subtract 63/18 from 6/4

1^st number: 1 2/4, 2^nd number: 3 9/18

6/4 - 63/18 is -2/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 18 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 4 × 9 = 36,
   6/4 = 6 × 9/4 × 9 = 54/36
3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
   63/18 = 63 × 2/18 × 2 = 126/36
4. Subtract the two like fractions:
   54/36 - 126/36 = 54 - 126/36 = -72/36
5. After reducing the fraction, the answer is -2/1

MathStep (Works offline)

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

Related: ¹²/₄-⁶³/₁₈ ⁶/₈-⁶³/₁₈ ⁶/₄-⁶³/₃₆ ¹⁸/₄-⁶³/₁₈ ⁶/₁₂-⁶³/₁₈ ⁶/₄-⁶³/₅₄ ³⁰/₄-⁶³/₁₈ ⁶/₂₀-⁶³/₁₈ ⁶/₄-⁶³/₉₀ ⁴²/₄-⁶³/₁₈ ⁶/₂₈-⁶³/₁₈

Subtract Fractions Calculator