Answers

Subtract 21/6 from 20/60

1^st number: 20/60, 2^nd number: 3 3/6

20/60 - 21/6 is -19/6.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 6 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 60 × 1 = 60,
   20/60 = 20 × 1/60 × 1 = 20/60
3. Likewise, for the 2nd fraction, since 6 × 10 = 60,
   21/6 = 21 × 10/6 × 10 = 210/60
4. Subtract the two like fractions:
   20/60 - 210/60 = 20 - 210/60 = -190/60
5. After reducing the fraction, the answer is -19/6

MathStep (Works offline)

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

Related: ⁴⁰/₆₀-²¹/₆ ²⁰/₆₀-⁴²/₆ ²⁰/₆₀-²¹/₁₂ ²⁰/₆₀-⁶³/₆ ²⁰/₆₀-²¹/₁₈ ²⁰/₆₀-²¹/₃₀ ²⁰/₆₀-²¹/₄₂

Subtract Fractions Calculator