Answers

Subtract 20/60 from 4/54

4/54 - 20/60 is -7/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 60 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 54 × 10 = 540,
   4/54 = 4 × 10/54 × 10 = 40/540
3. Likewise, for the 2nd fraction, since 60 × 9 = 540,
   20/60 = 20 × 9/60 × 9 = 180/540
4. Subtract the two like fractions:
   40/540 - 180/540 = 40 - 180/540 = -140/540
5. After reducing the fraction, the answer is -7/27

MathStep (Works offline)

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

Related: ⁸/₅₄-²⁰/₆₀ ⁴/₅₄-⁴⁰/₆₀ ¹²/₅₄-²⁰/₆₀ ²⁰/₅₄-²⁰/₆₀ ²⁸/₅₄-²⁰/₆₀

Subtract Fractions Calculator