Answers

Subtract 60/81 from 20/3

1^st number: 6 2/3, 2^nd number: 60/81

20/3 - 60/81 is 160/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 81 is 81
   
   Next, find the equivalent fraction of both fractional numbers with denominator 81
2. For the 1st fraction, since 3 × 27 = 81,
   20/3 = 20 × 27/3 × 27 = 540/81
3. Likewise, for the 2nd fraction, since 81 × 1 = 81,
   60/81 = 60 × 1/81 × 1 = 60/81
4. Subtract the two like fractions:
   540/81 - 60/81 = 540 - 60/81 = 480/81
5. After reducing the fraction, the answer is 160/27
6. In mixed form: 525/27

MathStep (Works offline)

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

Related: ⁴⁰/₃-⁶⁰/₈₁ ²⁰/₆-⁶⁰/₈₁ ⁶⁰/₃-⁶⁰/₈₁ ²⁰/₉-⁶⁰/₈₁ ²⁰/₁₅-⁶⁰/₈₁ ²⁰/₂₁-⁶⁰/₈₁

Subtract Fractions Calculator