Answers

Subtract 42/6 from 20/60

1^st number: 20/60, 2^nd number: 7 0/6

20/60 - 42/6 is -20/3.

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,
   42/6 = 42 × 10/6 × 10 = 420/60
4. Subtract the two like fractions:
   20/60 - 420/60 = 20 - 420/60 = -400/60
5. After reducing the fraction, the answer is -20/3

MathStep (Works offline)

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

Related: ⁴⁰/₆₀-⁴²/₆ ²⁰/₆₀-⁸⁴/₆ ²⁰/₆₀-⁴²/₁₂ ²⁰/₆₀-⁴²/₁₈ ²⁰/₆₀-⁴²/₃₀

Subtract Fractions Calculator