Answers

Subtract 40/63 from 20/6

1^st number: 3 2/6, 2^nd number: 40/63

20/6 - 40/63 is 170/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 6 × 21 = 126,
   20/6 = 20 × 21/6 × 21 = 420/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   40/63 = 40 × 2/63 × 2 = 80/126
4. Subtract the two like fractions:
   420/126 - 80/126 = 420 - 80/126 = 340/126
5. After reducing the fraction, the answer is 170/63
6. In mixed form: 244/63

MathStep (Works offline)

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

Related: ⁴⁰/₆-⁴⁰/₆₃ ²⁰/₆-⁸⁰/₆₃ ²⁰/₁₂-⁴⁰/₆₃ ⁶⁰/₆-⁴⁰/₆₃ ²⁰/₁₈-⁴⁰/₆₃ ²⁰/₃₀-⁴⁰/₆₃ ²⁰/₄₂-⁴⁰/₆₃

Subtract Fractions Calculator